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8223 vulnerabilities by Mozilla
CERTFR-2026-AVI-1244
Vulnerability from certfr_avis - Published: 2026-10-01 - Updated: 2026-10-01
De multiples vulnérabilités ont été découvertes dans Mozilla Thunderbird. Certaines d'entre elles permettent à un attaquant de provoquer une élévation de privilèges, un déni de service à distance et une atteinte à la confidentialité des données.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| Mozilla | Thunderbird | Thunderbird versions antérieures à 157 | ||
| Mozilla | Thunderbird | Thunderbird versions antérieures à 140.17 | ||
| Mozilla | Thunderbird | Thunderbird versions antérieures à 153.4 |
References
| Title | Publication Time | Tags | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Thunderbird versions ant\u00e9rieures \u00e0 157",
"product": {
"name": "Thunderbird",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
},
{
"description": "Thunderbird versions ant\u00e9rieures \u00e0 140.17",
"product": {
"name": "Thunderbird",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
},
{
"description": "Thunderbird versions ant\u00e9rieures \u00e0 153.4",
"product": {
"name": "Thunderbird",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-100786",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100786"
},
{
"name": "CVE-2026-100763",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100763"
},
{
"name": "CVE-2026-100796",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100796"
},
{
"name": "CVE-2026-100829",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100829"
},
{
"name": "CVE-2026-100824",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100824"
},
{
"name": "CVE-2026-100760",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100760"
},
{
"name": "CVE-2026-100761",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100761"
},
{
"name": "CVE-2026-100780",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100780"
},
{
"name": "CVE-2026-100821",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100821"
},
{
"name": "CVE-2026-100828",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100828"
},
{
"name": "CVE-2026-100797",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100797"
},
{
"name": "CVE-2026-100830",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100830"
},
{
"name": "CVE-2026-100814",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100814"
},
{
"name": "CVE-2026-100788",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100788"
},
{
"name": "CVE-2026-100779",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100779"
},
{
"name": "CVE-2026-100792",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100792"
},
{
"name": "CVE-2026-100784",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100784"
},
{
"name": "CVE-2026-100791",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100791"
},
{
"name": "CVE-2026-100812",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100812"
},
{
"name": "CVE-2026-100778",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100778"
},
{
"name": "CVE-2026-100768",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100768"
},
{
"name": "CVE-2026-100819",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100819"
},
{
"name": "CVE-2026-100803",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100803"
},
{
"name": "CVE-2026-100818",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100818"
},
{
"name": "CVE-2026-100764",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100764"
},
{
"name": "CVE-2026-100816",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100816"
},
{
"name": "CVE-2026-100794",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100794"
},
{
"name": "CVE-2026-100799",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100799"
},
{
"name": "CVE-2026-100787",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100787"
},
{
"name": "CVE-2026-100758",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100758"
},
{
"name": "CVE-2026-100756",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100756"
},
{
"name": "CVE-2026-100806",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100806"
},
{
"name": "CVE-2026-100771",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100771"
},
{
"name": "CVE-2026-100762",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100762"
},
{
"name": "CVE-2026-103500",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-103500"
},
{
"name": "CVE-2026-100801",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100801"
},
{
"name": "CVE-2026-100782",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100782"
},
{
"name": "CVE-2026-100757",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100757"
},
{
"name": "CVE-2026-100793",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100793"
},
{
"name": "CVE-2026-100815",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100815"
},
{
"name": "CVE-2026-100822",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100822"
},
{
"name": "CVE-2026-100770",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100770"
},
{
"name": "CVE-2026-100805",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100805"
},
{
"name": "CVE-2026-100804",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100804"
},
{
"name": "CVE-2026-100817",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100817"
},
{
"name": "CVE-2026-100774",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100774"
},
{
"name": "CVE-2026-100781",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100781"
},
{
"name": "CVE-2026-96869",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-96869"
},
{
"name": "CVE-2026-92035",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-92035"
},
{
"name": "CVE-2026-100820",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100820"
},
{
"name": "CVE-2026-100772",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100772"
},
{
"name": "CVE-2026-100813",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100813"
},
{
"name": "CVE-2026-100775",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100775"
},
{
"name": "CVE-2026-100789",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100789"
},
{
"name": "CVE-2026-100826",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100826"
},
{
"name": "CVE-2026-100783",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100783"
},
{
"name": "CVE-2026-100798",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100798"
},
{
"name": "CVE-2026-100773",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100773"
},
{
"name": "CVE-2026-100809",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100809"
},
{
"name": "CVE-2026-100807",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100807"
},
{
"name": "CVE-2026-100776",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100776"
},
{
"name": "CVE-2026-100832",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100832"
},
{
"name": "CVE-2026-100800",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100800"
},
{
"name": "CVE-2026-100810",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100810"
},
{
"name": "CVE-2026-100825",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100825"
},
{
"name": "CVE-2026-100766",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100766"
},
{
"name": "CVE-2026-100802",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100802"
},
{
"name": "CVE-2026-100831",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100831"
},
{
"name": "CVE-2026-100759",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100759"
},
{
"name": "CVE-2026-100777",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100777"
},
{
"name": "CVE-2026-100790",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100790"
},
{
"name": "CVE-2026-100767",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100767"
},
{
"name": "CVE-2026-100808",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100808"
},
{
"name": "CVE-2026-100785",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100785"
},
{
"name": "CVE-2026-100795",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100795"
},
{
"name": "CVE-2026-100811",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100811"
},
{
"name": "CVE-2026-100765",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100765"
},
{
"name": "CVE-2026-100769",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100769"
}
],
"initial_release_date": "2026-10-01T00:00:00",
"last_revision_date": "2026-10-01T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-1244",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-10-01T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
},
{
"description": "\u00c9l\u00e9vation de privil\u00e8ges"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Mozilla Thunderbird. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une \u00e9l\u00e9vation de privil\u00e8ges, un d\u00e9ni de service \u00e0 distance et une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Mozilla Thunderbird",
"vendor_advisories": [
{
"published_at": "2026-09-30",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-101",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-101/"
},
{
"published_at": "2026-09-30",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-103",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-103/"
},
{
"published_at": "2026-09-30",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-102",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-102/"
}
]
}
CERTFR-2026-AVI-1240
Vulnerability from certfr_avis - Published: 2026-09-30 - Updated: 2026-09-30
De multiples vulnérabilités ont été découvertes dans les produits Mozilla. Certaines d'entre elles permettent à un attaquant de provoquer une élévation de privilèges, un déni de service à distance et une atteinte à la confidentialité des données.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| Mozilla | Firefox ESR | Firefox ESR versions antérieures à 140.17 | ||
| Mozilla | Firefox | Firefox versions antérieures à 157 | ||
| Mozilla | Firefox ESR | Firefox ESR versions antérieures à 115.42 | ||
| Mozilla | Firefox ESR | Firefox ESR versions antérieures à 153.4 |
References
| Title | Publication Time | Tags | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Firefox ESR versions ant\u00e9rieures \u00e0 140.17",
"product": {
"name": "Firefox ESR",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
},
{
"description": "Firefox versions ant\u00e9rieures \u00e0 157",
"product": {
"name": "Firefox",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
},
{
"description": "Firefox ESR versions ant\u00e9rieures \u00e0 115.42",
"product": {
"name": "Firefox ESR",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
},
{
"description": "Firefox ESR versions ant\u00e9rieures \u00e0 153.4",
"product": {
"name": "Firefox ESR",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-100786",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100786"
},
{
"name": "CVE-2026-100763",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100763"
},
{
"name": "CVE-2026-100796",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100796"
},
{
"name": "CVE-2026-100829",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100829"
},
{
"name": "CVE-2026-100824",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100824"
},
{
"name": "CVE-2026-100760",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100760"
},
{
"name": "CVE-2026-100761",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100761"
},
{
"name": "CVE-2026-100780",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100780"
},
{
"name": "CVE-2026-100821",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100821"
},
{
"name": "CVE-2026-100828",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100828"
},
{
"name": "CVE-2026-100797",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100797"
},
{
"name": "CVE-2026-100830",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100830"
},
{
"name": "CVE-2026-100814",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100814"
},
{
"name": "CVE-2026-100788",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100788"
},
{
"name": "CVE-2026-100779",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100779"
},
{
"name": "CVE-2026-100792",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100792"
},
{
"name": "CVE-2026-100784",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100784"
},
{
"name": "CVE-2026-100791",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100791"
},
{
"name": "CVE-2026-100812",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100812"
},
{
"name": "CVE-2026-100778",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100778"
},
{
"name": "CVE-2026-100768",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100768"
},
{
"name": "CVE-2026-100819",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100819"
},
{
"name": "CVE-2026-100803",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100803"
},
{
"name": "CVE-2026-100818",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100818"
},
{
"name": "CVE-2026-100764",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100764"
},
{
"name": "CVE-2026-100816",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100816"
},
{
"name": "CVE-2026-100794",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100794"
},
{
"name": "CVE-2026-100799",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100799"
},
{
"name": "CVE-2026-100787",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100787"
},
{
"name": "CVE-2026-100758",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100758"
},
{
"name": "CVE-2026-100756",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100756"
},
{
"name": "CVE-2026-100806",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100806"
},
{
"name": "CVE-2026-100771",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100771"
},
{
"name": "CVE-2026-100762",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100762"
},
{
"name": "CVE-2026-100801",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100801"
},
{
"name": "CVE-2026-100782",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100782"
},
{
"name": "CVE-2026-100757",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100757"
},
{
"name": "CVE-2026-100793",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100793"
},
{
"name": "CVE-2026-100815",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100815"
},
{
"name": "CVE-2026-100822",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100822"
},
{
"name": "CVE-2026-100770",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100770"
},
{
"name": "CVE-2026-100805",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100805"
},
{
"name": "CVE-2026-100804",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100804"
},
{
"name": "CVE-2026-100817",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100817"
},
{
"name": "CVE-2026-100774",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100774"
},
{
"name": "CVE-2026-100781",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100781"
},
{
"name": "CVE-2026-96869",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-96869"
},
{
"name": "CVE-2026-92035",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-92035"
},
{
"name": "CVE-2026-100820",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100820"
},
{
"name": "CVE-2026-100772",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100772"
},
{
"name": "CVE-2026-100813",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100813"
},
{
"name": "CVE-2026-100775",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100775"
},
{
"name": "CVE-2026-100789",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100789"
},
{
"name": "CVE-2026-100826",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100826"
},
{
"name": "CVE-2026-100783",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100783"
},
{
"name": "CVE-2026-100798",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100798"
},
{
"name": "CVE-2026-100773",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100773"
},
{
"name": "CVE-2026-100809",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100809"
},
{
"name": "CVE-2026-100807",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100807"
},
{
"name": "CVE-2026-100776",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100776"
},
{
"name": "CVE-2026-100832",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100832"
},
{
"name": "CVE-2026-100800",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100800"
},
{
"name": "CVE-2026-100810",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100810"
},
{
"name": "CVE-2026-100825",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100825"
},
{
"name": "CVE-2026-100766",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100766"
},
{
"name": "CVE-2026-100802",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100802"
},
{
"name": "CVE-2026-100831",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100831"
},
{
"name": "CVE-2026-100759",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100759"
},
{
"name": "CVE-2026-100823",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100823"
},
{
"name": "CVE-2026-100777",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100777"
},
{
"name": "CVE-2026-100790",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100790"
},
{
"name": "CVE-2026-100767",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100767"
},
{
"name": "CVE-2026-100808",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100808"
},
{
"name": "CVE-2026-100785",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100785"
},
{
"name": "CVE-2026-100795",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100795"
},
{
"name": "CVE-2026-100811",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100811"
},
{
"name": "CVE-2026-100765",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100765"
},
{
"name": "CVE-2026-100769",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-100769"
}
],
"initial_release_date": "2026-09-30T00:00:00",
"last_revision_date": "2026-09-30T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-1240",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-09-30T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
},
{
"description": "\u00c9l\u00e9vation de privil\u00e8ges"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans les produits Mozilla. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une \u00e9l\u00e9vation de privil\u00e8ges, un d\u00e9ni de service \u00e0 distance et une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Mozilla",
"vendor_advisories": [
{
"published_at": "2026-09-29",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-100",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-100/"
},
{
"published_at": "2026-09-29",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-98",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-98/"
},
{
"published_at": "2026-09-29",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-97",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-97/"
},
{
"published_at": "2026-09-29",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-99",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-99/"
}
]
}
CVE-2026-103500 (GCVE-0-2026-103500)
Vulnerability from nvd – Published: 2026-09-30 17:15 – Updated: 2026-09-30 17:19
VLAI
EPSS
VEX
Title
Heap buffer overflow opening large email
Summary
An attacker could cause a heap buffer overflow by getting a user to open an email that is greater than or equal to 2GB in size. This vulnerability was fixed in Thunderbird 157, Thunderbird 140.17, and Thunderbird 153.4.
Severity
No CVSS data available.
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Thunderbird |
Unaffected:
140.17 , ≤ 140.*
(rpm)
Unaffected: 153.4 , ≤ 153.* (rpm) Unaffected: 157 , ≤ * (rpm) |
{
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"lang": "en",
"value": "Ahmed Albalawi"
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],
"providerMetadata": {
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"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
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},
"references": [
{
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2070267"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-101/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-102/"
},
{
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}
],
"title": "Heap buffer overflow opening large email"
}
},
"cveMetadata": {
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"datePublished": "2026-09-30T17:15:06.357Z",
"dateReserved": "2026-09-30T17:15:06.146Z",
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CVE-2026-96869 (GCVE-0-2026-96869)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-09-30 17:20
VLAI
EPSS
VEX
Title
Information disclosure in the Networking component
Summary
Information disclosure in the Networking component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 14:35 UTC
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Thunderbird |
Unaffected:
140.17 , ≤ 140.*
(rpm)
Unaffected: 153.4 , ≤ 153.* (rpm) Unaffected: 157 , ≤ * (rpm) |
|
| Mozilla | Firefox |
Unaffected:
140.17 , ≤ 140.*
(rpm)
Unaffected: 153.4 , ≤ 153.* (rpm) Unaffected: 157 , ≤ * (rpm) |
{
"containers": {
"adp": [
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"metrics": [
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"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
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"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
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},
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],
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"version": "2.0.3"
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"lessThanOrEqual": "140.*",
"status": "unaffected",
"version": "140.17",
"versionType": "rpm"
},
{
"lessThanOrEqual": "153.*",
"status": "unaffected",
"version": "153.4",
"versionType": "rpm"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "157",
"versionType": "rpm"
}
]
},
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThanOrEqual": "140.*",
"status": "unaffected",
"version": "140.17",
"versionType": "rpm"
},
{
"lessThanOrEqual": "153.*",
"status": "unaffected",
"version": "153.4",
"versionType": "rpm"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "157",
"versionType": "rpm"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Carlo Di Dato"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
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}
],
"value": "Information disclosure in the Networking component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17."
}
],
"providerMetadata": {
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"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"shortName": "mozilla"
},
"references": [
{
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2041248"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-100/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-101/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-102/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-103/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-97/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-99/"
}
],
"title": "Information disclosure in the Networking component"
}
},
"cveMetadata": {
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"assignerShortName": "mozilla",
"cveId": "CVE-2026-96869",
"datePublished": "2026-09-29T12:36:15.110Z",
"dateReserved": "2026-09-23T18:05:43.142Z",
"dateUpdated": "2026-09-30T17:20:38.391Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-100832 (GCVE-0-2026-100832)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-09-30 17:20
VLAI
EPSS
VEX
Title
Use-after-free in the Graphics: Canvas2D component
Summary
Use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 140.17, Thunderbird 153.4, Firefox ESR 115.42, and Firefox ESR 140.17.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 13:09 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
6 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
115.42 , ≤ 115.*
(rpm)
Unaffected: 140.17 , ≤ 140.* (rpm) Unaffected: 153.4 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.17 , ≤ 140.*
(rpm)
Unaffected: 153.4 , ≤ * (rpm) |
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
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"options": [
{
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},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-29T13:09:07.999512Z",
"version": "2.0.3"
},
"type": "ssvc"
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}
],
"problemTypes": [
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{
"cweId": "CWE-416",
"description": "CWE-416 Use After Free",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-29T13:09:12.840Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThanOrEqual": "115.*",
"status": "unaffected",
"version": "115.42",
"versionType": "rpm"
},
{
"lessThanOrEqual": "140.*",
"status": "unaffected",
"version": "140.17",
"versionType": "rpm"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "153.4",
"versionType": "rpm"
}
]
},
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"lessThanOrEqual": "140.*",
"status": "unaffected",
"version": "140.17",
"versionType": "rpm"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "153.4",
"versionType": "rpm"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Mozilla"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
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}
],
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}
],
"providerMetadata": {
"dateUpdated": "2026-09-30T17:20:34.544Z",
"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"shortName": "mozilla"
},
"references": [
{
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2072467"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-100/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-102/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-103/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-98/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-99/"
}
],
"title": "Use-after-free in the Graphics: Canvas2D component"
}
},
"cveMetadata": {
"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"assignerShortName": "mozilla",
"cveId": "CVE-2026-100832",
"datePublished": "2026-09-29T12:36:35.869Z",
"dateReserved": "2026-09-26T19:19:05.827Z",
"dateUpdated": "2026-09-30T17:20:34.544Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-100831 (GCVE-0-2026-100831)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-09-30 17:21
VLAI
EPSS
VEX
Title
Use-after-free in the DOM: UI Events & Focus Handling component
Summary
Use-after-free in the DOM: UI Events & Focus Handling component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 13:12 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
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CVE-2026-100830 (GCVE-0-2026-100830)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-10-01 15:46
VLAI
EPSS
VEX
Title
Mitigation bypass in the DOM: Navigation component
Summary
Mitigation bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 15:45 UTC
CWE
- CWE-346 - Origin Validation Error
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
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CVE-2026-100829 (GCVE-0-2026-100829)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-10-01 15:25
VLAI
EPSS
VEX
Title
Mitigation bypass in the DOM: Security component
Summary
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
Severity
9.6 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 15:25 UTC
CWE
- CWE-693 - Protection Mechanism Failure
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
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CVE-2026-100828 (GCVE-0-2026-100828)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-10-01 15:26
VLAI
EPSS
VEX
Title
Mitigation bypass in the Bookmarks & History component
Summary
Mitigation bypass in the Bookmarks & History component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
Severity
9.6 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 15:26 UTC
CWE
- CWE-693 - Protection Mechanism Failure
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
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{
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CVE-2026-100826 (GCVE-0-2026-100826)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-09-30 17:21
VLAI
EPSS
VEX
Title
Denial-of-service in the Storage: StorageManager component
Summary
Denial-of-service in the Storage: StorageManager component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 13:37 UTC
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
{
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CVE-2026-100825 (GCVE-0-2026-100825)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-09-30 17:21
VLAI
EPSS
VEX
Title
Use-after-free in the JavaScript Engine: JIT component
Summary
Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 13:12 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
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CVE-2026-100824 (GCVE-0-2026-100824)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-09-30 17:21
VLAI
EPSS
VEX
Title
Privilege escalation in the Places component
Summary
Privilege escalation in the Places component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 00:00 UTC
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
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CVE-2026-100823 (GCVE-0-2026-100823)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-10-01 10:50
VLAI
EPSS
VEX
Title
Spoofing issue in the Downloads component in Firefox for Android
Summary
Spoofing issue in the Downloads component in Firefox for Android. This vulnerability was fixed in Firefox 157.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 19:46 UTC
CWE
- CWE-451 - User Interface (UI) Misrepresentation of Critical Information
Assigner
References
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CVE-2026-100822 (GCVE-0-2026-100822)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-09-30 20:11
VLAI
EPSS
VEX
Title
Spoofing issue in the Networking: HTTP component
Summary
Spoofing issue in the Networking: HTTP component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 19:46 UTC
CWE
- CWE-451 - User Interface (UI) Misrepresentation of Critical Information
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
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CVE-2026-100821 (GCVE-0-2026-100821)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-10-01 15:55
VLAI
EPSS
VEX
Title
Site isolation issue in the Panning and Zooming component
Summary
Site isolation issue in the Panning and Zooming component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
Severity
4.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 15:55 UTC
CWE
- CWE-346 - Origin Validation Error
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
115.42 , ≤ 115.*
(rpm)
Unaffected: 140.17 , ≤ 140.* (rpm) Unaffected: 153.4 , ≤ 153.* (rpm) Unaffected: 157 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.17 , ≤ 140.*
(rpm)
Unaffected: 153.4 , ≤ 153.* (rpm) Unaffected: 157 , ≤ * (rpm) |
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CVE-2026-100820 (GCVE-0-2026-100820)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-09-30 17:20
VLAI
EPSS
VEX
Title
Privilege escalation in the Address Bar component
Summary
Privilege escalation in the Address Bar component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 00:00 UTC
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Thunderbird |
Unaffected:
140.17 , ≤ 140.*
(rpm)
Unaffected: 153.4 , ≤ 153.* (rpm) Unaffected: 157 , ≤ * (rpm) |
|
| Mozilla | Firefox |
Unaffected:
140.17 , ≤ 140.*
(rpm)
Unaffected: 153.4 , ≤ 153.* (rpm) Unaffected: 157 , ≤ * (rpm) |
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CVE-2026-100819 (GCVE-0-2026-100819)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-09-30 17:20
VLAI
EPSS
VEX
Title
Sandbox escape due to incorrect boundary conditions in the XPCOM component
Summary
Sandbox escape due to incorrect boundary conditions in the XPCOM component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
Severity
9.6 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 00:00 UTC
CWE
- CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
115.42 , ≤ 115.*
(rpm)
Unaffected: 140.17 , ≤ 140.* (rpm) Unaffected: 153.4 , ≤ 153.* (rpm) Unaffected: 157 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.17 , ≤ 140.*
(rpm)
Unaffected: 153.4 , ≤ 153.* (rpm) Unaffected: 157 , ≤ * (rpm) |
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CVE-2026-100818 (GCVE-0-2026-100818)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-09-30 17:20
VLAI
EPSS
VEX
Title
Sandbox escape due to use-after-free in the Widget: Gtk component
Summary
Sandbox escape due to use-after-free in the Widget: Gtk component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.
Severity
9.6 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 13:13 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Thunderbird |
Unaffected:
140.17 , ≤ 140.*
(rpm)
Unaffected: 153.4 , ≤ 153.* (rpm) Unaffected: 157 , ≤ * (rpm) |
|
| Mozilla | Firefox |
Unaffected:
140.17 , ≤ 140.*
(rpm)
Unaffected: 153.4 , ≤ 153.* (rpm) Unaffected: 157 , ≤ * (rpm) |
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CVE-2026-100817 (GCVE-0-2026-100817)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-10-01 15:51
VLAI
EPSS
VEX
Title
Other issue in the JavaScript: WebAssembly component
Summary
Other issue in the JavaScript: WebAssembly component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 15:36 UTC
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Thunderbird |
Unaffected:
157 , ≤ *
(rpm)
|
|
| Mozilla | Firefox |
Unaffected:
157 , ≤ *
(rpm)
|
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CVE-2026-100816 (GCVE-0-2026-100816)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-10-01 15:38
VLAI
EPSS
VEX
Title
Site isolation issue in the DOM: Networking component
Summary
Site isolation issue in the DOM: Networking component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 15:38 UTC
CWE
- CWE-346 - Origin Validation Error
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
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CVE-2026-100815 (GCVE-0-2026-100815)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-09-30 17:21
VLAI
EPSS
VEX
Title
Use-after-free in the CSS Parsing and Computation component
Summary
Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 00:00 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
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CVE-2026-100814 (GCVE-0-2026-100814)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-09-30 17:21
VLAI
EPSS
VEX
Title
Incorrect boundary conditions in the JavaScript Engine: JIT component
Summary
Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 14:25 UTC
CWE
- CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
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CVE-2026-100813 (GCVE-0-2026-100813)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-09-30 17:15
VLAI
EPSS
VEX
Title
Invalid pointer in the JavaScript Engine: JIT component
Summary
Invalid pointer in the JavaScript Engine: JIT component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 14:25 UTC
CWE
- CWE-763 - Release of Invalid Pointer or Reference
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Thunderbird |
Unaffected:
157 , ≤ *
(rpm)
|
|
| Mozilla | Firefox |
Unaffected:
157 , ≤ *
(rpm)
|
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CVE-2026-100812 (GCVE-0-2026-100812)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-09-30 17:21
VLAI
EPSS
VEX
Title
Denial-of-service in the Graphics component
Summary
Denial-of-service in the Graphics component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 14:08 UTC
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
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CVE-2026-100811 (GCVE-0-2026-100811)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-09-30 17:20
VLAI
EPSS
VEX
Title
Sandbox escape due to use-after-free in the DOM: Core & HTML component
Summary
Sandbox escape due to use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.
Severity
9.6 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 00:00 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Thunderbird |
Unaffected:
140.17 , ≤ 140.*
(rpm)
Unaffected: 153.4 , ≤ 153.* (rpm) Unaffected: 157 , ≤ * (rpm) |
|
| Mozilla | Firefox |
Unaffected:
140.17 , ≤ 140.*
(rpm)
Unaffected: 153.4 , ≤ 153.* (rpm) Unaffected: 157 , ≤ * (rpm) |
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CVE-2026-100810 (GCVE-0-2026-100810)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-10-01 15:35
VLAI
EPSS
VEX
Title
Other issue in the DevTools component
Summary
Other issue in the DevTools component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 15:35 UTC
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Thunderbird |
Unaffected:
157 , ≤ *
(rpm)
|
|
| Mozilla | Firefox |
Unaffected:
157 , ≤ *
(rpm)
|
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CVE-2026-100809 (GCVE-0-2026-100809)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-10-01 15:31
VLAI
EPSS
VEX
Title
Same-origin policy bypass in the DevTools component
Summary
Same-origin policy bypass in the DevTools component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 15:30 UTC
CWE
- CWE-346 - Origin Validation Error
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
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CVE-2026-100808 (GCVE-0-2026-100808)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-10-01 15:22
VLAI
EPSS
VEX
Title
Mitigation bypass in the DOM: Service Workers component
Summary
Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 15:22 UTC
CWE
- CWE-693 - Protection Mechanism Failure
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
153.4 , ≤ 153.*
(rpm)
Unaffected: 157 , ≤ * (rpm) |
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CVE-2026-100807 (GCVE-0-2026-100807)
Vulnerability from nvd – Published: 2026-09-29 12:36 – Updated: 2026-09-30 17:20
VLAI
EPSS
VEX
Title
Privilege escalation in the DOM: Service Workers component
Summary
Privilege escalation in the DOM: Service Workers component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 00:00 UTC
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Thunderbird |
Unaffected:
140.17 , ≤ 140.*
(rpm)
Unaffected: 153.4 , ≤ 153.* (rpm) Unaffected: 157 , ≤ * (rpm) |
|
| Mozilla | Firefox |
Unaffected:
140.17 , ≤ 140.*
(rpm)
Unaffected: 153.4 , ≤ 153.* (rpm) Unaffected: 157 , ≤ * (rpm) |
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CVE-2026-103500 (GCVE-0-2026-103500)
Vulnerability from cvelistv5 – Published: 2026-09-30 17:15 – Updated: 2026-09-30 17:19
VLAI
EPSS
VEX
Title
Heap buffer overflow opening large email
Summary
An attacker could cause a heap buffer overflow by getting a user to open an email that is greater than or equal to 2GB in size. This vulnerability was fixed in Thunderbird 157, Thunderbird 140.17, and Thunderbird 153.4.
Severity
No CVSS data available.
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Thunderbird |
Unaffected:
140.17 , ≤ 140.*
(rpm)
Unaffected: 153.4 , ≤ 153.* (rpm) Unaffected: 157 , ≤ * (rpm) |
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