CWE-825
AllowedExpired Pointer Dereference
Abstraction: Base · Status: Incomplete
The product dereferences a pointer that contains a location for memory that was previously valid, but is no longer valid.
122 vulnerabilities reference this CWE, most recent first.
GHSA-G7MG-6RH4-C572
Vulnerability from github – Published: 2022-02-09 00:00 – Updated: 2022-03-17 00:05Expired Pointer Dereference in NPM radare2.js prior to 5.6.2.
{
"affected": [],
"aliases": [
"CVE-2022-0523"
],
"database_specific": {
"cwe_ids": [
"CWE-119",
"CWE-825"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-02-08T21:15:00Z",
"severity": "HIGH"
},
"details": "Expired Pointer Dereference in NPM radare2.js prior to 5.6.2.",
"id": "GHSA-g7mg-6rh4-c572",
"modified": "2022-03-17T00:05:51Z",
"published": "2022-02-09T00:00:28Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-0523"
},
{
"type": "WEB",
"url": "https://github.com/radareorg/radare2/commit/35482cb760db10f87a62569e2f8872dbd95e9269"
},
{
"type": "WEB",
"url": "https://huntr.dev/bounties/9d8d6ae0-fe00-40b9-ae1e-b0e8103bac69"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BZTIMAS53YT66FUS4QHQAFRJOBMUFG6D"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/E6YBRQ3UCFWJVSOYIKPVUDASZ544TFND"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-GFF2-447Q-XJX8
Vulnerability from github – Published: 2026-06-16 15:33 – Updated: 2026-07-15 12:31Memory safety bugs present in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, and Firefox ESR 115.37.
{
"affected": [],
"aliases": [
"CVE-2026-12328"
],
"database_specific": {
"cwe_ids": [
"CWE-120",
"CWE-825"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-06-16T13:16:33Z",
"severity": "HIGH"
},
"details": "Memory safety bugs present in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, and Firefox ESR 115.37.",
"id": "GHSA-gff2-447q-xjx8",
"modified": "2026-07-15T12:31:50Z",
"published": "2026-06-16T15:33:50Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-12328"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2026-61"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2026-60"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2026-59"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2026-58"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2026-57"
},
{
"type": "WEB",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12328.json"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2489218"
},
{
"type": "WEB",
"url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=2029402%2C2038477%2C2039726%2C2041373%2C2042268%2C2042451%2C2042782%2C2042858%2C2042929%2C2042965%2C2043213"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2026-12328"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:39706"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:39428"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:39142"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:39141"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:39011"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:38753"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:38751"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:38750"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:38506"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37391"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37210"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36103"
},
{
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"url": "https://access.redhat.com/errata/RHSA-2026:36102"
},
{
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"url": "https://access.redhat.com/errata/RHSA-2026:36101"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36100"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:33445"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:30846"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:29940"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:27734"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:27733"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:27717"
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],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-GG7J-W83P-FXR9
Vulnerability from github – Published: 2025-06-16 18:32 – Updated: 2026-06-02 15:31A NULL pointer dereference vulnerability was found in libxml2 when processing XPath XML expressions. This flaw allows an attacker to craft a malicious XML input to libxml2, leading to a denial of service.
{
"affected": [],
"aliases": [
"CVE-2025-49795"
],
"database_specific": {
"cwe_ids": [
"CWE-825"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-06-16T16:15:19Z",
"severity": "HIGH"
},
"details": "A NULL pointer dereference vulnerability was found in libxml2 when processing XPath XML expressions. This flaw allows an attacker to craft a malicious XML input to libxml2, leading to a denial of service.",
"id": "GHSA-gg7j-w83p-fxr9",
"modified": "2026-06-02T15:31:49Z",
"published": "2025-06-16T18:32:19Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-49795"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2025:10630"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2025:19020"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:7519"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2025-49795"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2372379"
},
{
"type": "WEB",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-253495.html"
},
{
"type": "WEB",
"url": "https://gitlab.gnome.org/GNOME/libxml2/-/issues/932"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-GGQH-JGM2-3W29
Vulnerability from github – Published: 2026-05-12 15:31 – Updated: 2026-06-30 03:36Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3.
{
"affected": [],
"aliases": [
"CVE-2026-8390"
],
"database_specific": {
"cwe_ids": [
"CWE-416",
"CWE-825"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-05-12T14:17:12Z",
"severity": "HIGH"
},
"details": "Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3.",
"id": "GHSA-ggqh-jgm2-3w29",
"modified": "2026-06-30T03:36:39Z",
"published": "2026-05-12T15:31:40Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-8390"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2026-8390"
},
{
"type": "WEB",
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2038081"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2476474"
},
{
"type": "WEB",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8390.json"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2026-45"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
}
]
}
GHSA-H22R-8QX2-2MV3
Vulnerability from github – Published: 2026-03-24 15:30 – Updated: 2026-06-30 03:35Use-after-free in the Layout: Text and Fonts component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, and Firefox ESR < 140.9.
{
"affected": [],
"aliases": [
"CVE-2026-4696"
],
"database_specific": {
"cwe_ids": [
"CWE-416",
"CWE-825"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-03-24T13:16:05Z",
"severity": "CRITICAL"
},
"details": "Use-after-free in the Layout: Text and Fonts component. This vulnerability affects Firefox \u003c 149, Firefox ESR \u003c 115.34, and Firefox ESR \u003c 140.9.",
"id": "GHSA-h22r-8qx2-2mv3",
"modified": "2026-06-30T03:35:58Z",
"published": "2026-03-24T15:30:28Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-4696"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:5930"
},
{
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"url": "https://access.redhat.com/errata/RHSA-2026:8287"
},
{
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"url": "https://access.redhat.com/errata/RHSA-2026:8288"
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:8289"
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:8290"
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:8315"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:8427"
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:8850"
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{
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"url": "https://access.redhat.com/security/cve/CVE-2026-4696"
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{
"type": "WEB",
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2020190"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2450740"
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{
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"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4696.json"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2026-20"
},
{
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"url": "https://www.mozilla.org/security/advisories/mfsa2026-21"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2026-22"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2026-23"
},
{
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"url": "https://www.mozilla.org/security/advisories/mfsa2026-24"
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{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:5931"
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:5932"
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"url": "https://access.redhat.com/errata/RHSA-2026:6188"
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:6342"
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{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:6917"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:7837"
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{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:7838"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:7839"
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:7840"
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:7841"
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"url": "https://access.redhat.com/errata/RHSA-2026:7842"
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"url": "https://access.redhat.com/errata/RHSA-2026:7843"
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"url": "https://access.redhat.com/errata/RHSA-2026:7845"
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"url": "https://access.redhat.com/errata/RHSA-2026:7858"
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"url": "https://access.redhat.com/errata/RHSA-2026:8285"
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"type": "CVSS_V3"
}
]
}
GHSA-H895-88FJ-H89R
Vulnerability from github – Published: 2026-03-24 15:30 – Updated: 2026-06-30 03:35Use-after-free in the CSS Parsing and Computation component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, and Firefox ESR < 140.9.
{
"affected": [],
"aliases": [
"CVE-2026-4691"
],
"database_specific": {
"cwe_ids": [
"CWE-416",
"CWE-825"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-03-24T13:16:04Z",
"severity": "CRITICAL"
},
"details": "Use-after-free in the CSS Parsing and Computation component. This vulnerability affects Firefox \u003c 149, Firefox ESR \u003c 115.34, and Firefox ESR \u003c 140.9.",
"id": "GHSA-h895-88fj-h89r",
"modified": "2026-06-30T03:35:58Z",
"published": "2026-03-24T15:30:27Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-4691"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:5930"
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"url": "https://access.redhat.com/errata/RHSA-2026:8287"
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"url": "https://access.redhat.com/errata/RHSA-2026:8288"
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"url": "https://access.redhat.com/errata/RHSA-2026:8289"
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"url": "https://access.redhat.com/errata/RHSA-2026:8315"
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"url": "https://access.redhat.com/errata/RHSA-2026:8850"
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{
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"url": "https://access.redhat.com/security/cve/CVE-2026-4691"
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{
"type": "WEB",
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2017512"
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2450738"
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"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4691.json"
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"url": "https://www.mozilla.org/security/advisories/mfsa2026-20"
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{
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"url": "https://www.mozilla.org/security/advisories/mfsa2026-21"
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{
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"url": "https://www.mozilla.org/security/advisories/mfsa2026-22"
},
{
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"url": "https://www.mozilla.org/security/advisories/mfsa2026-23"
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{
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"url": "https://www.mozilla.org/security/advisories/mfsa2026-24"
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"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:5931"
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{
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:6188"
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:6342"
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:7838"
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{
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"url": "https://access.redhat.com/errata/RHSA-2026:7839"
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{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:7840"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:7841"
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{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:7842"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:7843"
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{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:7845"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:7858"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:8284"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:8285"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:8286"
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],
"schema_version": "1.4.0",
"severity": [
{
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"type": "CVSS_V3"
}
]
}
GHSA-HQ9H-682Q-JG37
Vulnerability from github – Published: 2026-03-10 21:32 – Updated: 2026-06-30 03:35Giflib contains a double-free vulnerability that is the result of a shallow copy in GifMakeSavedImage and incorrect error handling. The conditions needed to trigger this vulnerability are difficult but may be possible.
{
"affected": [],
"aliases": [
"CVE-2026-23868"
],
"database_specific": {
"cwe_ids": [
"CWE-415",
"CWE-825"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-03-10T20:16:25Z",
"severity": "MODERATE"
},
"details": "Giflib contains a double-free vulnerability that is the result of a shallow copy in GifMakeSavedImage and incorrect error handling. The conditions needed to trigger this vulnerability are difficult but may be possible.",
"id": "GHSA-hq9h-682q-jg37",
"modified": "2026-06-30T03:35:51Z",
"published": "2026-03-10T21:32:17Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23868"
},
{
"type": "WEB",
"url": "https://www.facebook.com/security/advisories/cve-2026-23868"
},
{
"type": "WEB",
"url": "https://sourceforge.net/p/giflib/code/ci/f5b7267aed3665ef025c13823e454170d031c106/tree/gifalloc.c?diff=5146815377b7395944cb683a08c43eee3f631eb7"
},
{
"type": "WEB",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23868.json"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2446207"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2026-23868"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:9295"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:9294"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:9292"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:9291"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:9290"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:8887"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:8886"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:8885"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:8884"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:8883"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:8861"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:8859"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:8858"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:25096"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:19725"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:19724"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:19367"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:19154"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:16174"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:16030"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:16009"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:16008"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-J4JV-FP59-574F
Vulnerability from github – Published: 2026-06-25 09:31 – Updated: 2026-06-30 03:37In the Linux kernel, the following vulnerability has been resolved:
inet: frags: fix use-after-free caused by the fqdir_pre_exit() flush
On netns teardown, fqdir_pre_exit() walks the fqdir rhashtable and flushes every fragment queue that is not yet complete using inet_frag_queue_flush(). That helper frees all the skbs queued on the fragment queue but does not set INET_FRAG_COMPLETE, and leaves q->fragments_tail and q->last_run_head pointing at the freed skbs. The queue itself stays in the rhashtable.
fqdir_pre_exit() first lowers high_thresh to 0 to stop new queue lookups, but it cannot stop a fragment that already obtained the queue through inet_frag_find() earlier and stalled just before taking the queue lock. Once that fragment resumes after the flush and takes the queue lock, it passes the INET_FRAG_COMPLETE check and then dereferences the freed fragments_tail. inet_frag_queue_insert() reads FRAG_CB() and ->len of that pointer and, on the append path, writes ->next_frag, causing a slab use-after-free. IPv6, nf_conntrack_reasm6 and 6lowpan reassembly share the same flush path and are affected as well.
Reset rb_fragments, fragments_tail and last_run_head in inet_frag_queue_flush() so a flushed queue no longer points at the freed skbs. A fragment that resumes after the flush and takes the queue lock then finds an empty queue and starts a new run instead of dereferencing the freed fragments_tail. ip_frag_reinit() already performed this reset after its own flush, so drop the now duplicate code there.
{
"affected": [],
"aliases": [
"CVE-2026-53175"
],
"database_specific": {
"cwe_ids": [
"CWE-416",
"CWE-825"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-06-25T09:16:34Z",
"severity": "CRITICAL"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\ninet: frags: fix use-after-free caused by the fqdir_pre_exit() flush\n\nOn netns teardown, fqdir_pre_exit() walks the fqdir rhashtable and\nflushes every fragment queue that is not yet complete using\ninet_frag_queue_flush(). That helper frees all the skbs queued on the\nfragment queue but does not set INET_FRAG_COMPLETE, and leaves\nq-\u003efragments_tail and q-\u003elast_run_head pointing at the freed skbs.\nThe queue itself stays in the rhashtable.\n\nfqdir_pre_exit() first lowers high_thresh to 0 to stop new queue lookups,\nbut it cannot stop a fragment that already obtained the queue through\ninet_frag_find() earlier and stalled just before taking the queue lock.\nOnce that fragment resumes after the flush and takes the queue lock,\nit passes the INET_FRAG_COMPLETE check and then dereferences the freed\nfragments_tail. inet_frag_queue_insert() reads FRAG_CB() and -\u003elen of\nthat pointer and, on the append path, writes -\u003enext_frag, causing a\nslab use-after-free. IPv6, nf_conntrack_reasm6 and 6lowpan reassembly\nshare the same flush path and are affected as well.\n\nReset rb_fragments, fragments_tail and last_run_head in\ninet_frag_queue_flush() so a flushed queue no longer points at the\nfreed skbs. A fragment that resumes after the flush and takes the\nqueue lock then finds an empty queue and starts a new run instead of\ndereferencing the freed fragments_tail. ip_frag_reinit() already\nperformed this reset after its own flush, so drop the now duplicate\ncode there.",
"id": "GHSA-j4jv-fp59-574f",
"modified": "2026-06-30T03:37:13Z",
"published": "2026-06-25T09:31:20Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53175"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2026-53175"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492840"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/010c3313a4d178dc2d3ce958d2e5cb055e2864c1"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/0e823ca0e7391630784ae7dd0981b7ad170a93d9"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/32594b09854970d7ba83eb2dc8c69a2edd158c8e"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/89b909e9704587bfecc1aab1d37e98faee03b9f9"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/c22599cc90e1cd5f8129c8670bd68a02ff7177b4"
},
{
"type": "WEB",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53175.json"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-J5J7-C96C-3P39
Vulnerability from github – Published: 2024-05-08 15:30 – Updated: 2024-05-08 15:30When an SSL profile with alert timeout is configured with a non-default value on a virtual server, undisclosed traffic along with conditions beyond the attacker's control can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
{
"affected": [],
"aliases": [
"CVE-2024-28889"
],
"database_specific": {
"cwe_ids": [
"CWE-825"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-05-08T15:15:09Z",
"severity": "MODERATE"
},
"details": "\n\n\nWhen an SSL profile with alert timeout is configured with a non-default value on a virtual server, undisclosed traffic along with conditions beyond the attacker\u0027s control can cause the Traffic Management Microkernel (TMM) to terminate.\u00a0\u00a0Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.",
"id": "GHSA-j5j7-c96c-3p39",
"modified": "2024-05-08T15:30:42Z",
"published": "2024-05-08T15:30:42Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-28889"
},
{
"type": "WEB",
"url": "https://my.f5.com/manage/s/article/K000138912"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-J72M-4PGW-W3QV
Vulnerability from github – Published: 2024-08-14 15:31 – Updated: 2024-08-19 18:32When the NGINX Plus is configured to use the MQTT pre-read module, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
{
"affected": [],
"aliases": [
"CVE-2024-39792"
],
"database_specific": {
"cwe_ids": [
"CWE-672",
"CWE-825"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-08-14T15:15:26Z",
"severity": "HIGH"
},
"details": "When the NGINX Plus is configured to use the MQTT pre-read module, undisclosed requests can cause an increase in memory resource utilization.\u00a0\u00a0Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.",
"id": "GHSA-j72m-4pgw-w3qv",
"modified": "2024-08-19T18:32:05Z",
"published": "2024-08-14T15:31:18Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-39792"
},
{
"type": "WEB",
"url": "https://my.f5.com/manage/s/article/K000140108"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
Mitigation
Choose a language that provides automatic memory management.
Mitigation
When freeing pointers, be sure to set them to NULL once they are freed. However, the utilization of multiple or complex data structures may lower the usefulness of this strategy.
No CAPEC attack patterns related to this CWE.