CVE-2016-9079 (GCVE-0-2016-9079)
Vulnerability from cvelistv5 – Published: 2018-06-11 21:00 – Updated: 2025-10-21 23:45Summary
A use-after-free vulnerability in SVG Animation has been discovered. An exploit built on this vulnerability has been discovered in the wild targeting Firefox and Tor Browser users on Windows. This vulnerability affects Firefox < 50.0.2, Firefox ESR < 45.5.1, and Thunderbird < 45.5.1.
Severity
7.5 (High)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-07 12:50 UTC
CWE
- Use-after-free in SVG Animation
- CWE-416 - Use After Free
Assigner
References
12 references
| URL | Tags |
|---|---|
| https://www.debian.org/security/2016/dsa-3730 | vendor-advisoryx_refsource_DEBIAN |
| http://rhn.redhat.com/errata/RHSA-2016-2843.html | vendor-advisoryx_refsource_REDHAT |
| https://security.gentoo.org/glsa/201701-35 | vendor-advisoryx_refsource_GENTOO |
| http://www.securitytracker.com/id/1037370 | vdb-entryx_refsource_SECTRACK |
| https://www.exploit-db.com/exploits/42327/ | exploitx_refsource_EXPLOIT-DB |
| http://rhn.redhat.com/errata/RHSA-2016-2850.html | vendor-advisoryx_refsource_REDHAT |
| https://www.mozilla.org/security/advisories/mfsa2… | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/94591 | vdb-entryx_refsource_BID |
| https://security.gentoo.org/glsa/201701-15 | vendor-advisoryx_refsource_GENTOO |
| https://www.exploit-db.com/exploits/41151/ | exploitx_refsource_EXPLOIT-DB |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1321066 | x_refsource_CONFIRM |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Affected:
unspecified , < 50.0.2
(custom)
|
|
| Mozilla | Firefox ESR |
Affected:
unspecified , < 45.5.1
(custom)
|
|
| Mozilla | Thunderbird |
Affected:
unspecified , < 45.5.1
(custom)
|
Date Public
2016-11-30 00:00
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 0d5e84e7-dbca-4a32-a4ae-c47f6e2efb8b
Exploited: Yes
Timestamps
First Seen: 2023-06-22
Asserted: 2023-06-22
Scope
Notes: Mozilla Firefox, Firefox ESR, and Thunderbird Use-After-Free Vulnerability | Affected: Mozilla / Firefox, Firefox ESR, and Thunderbird | Description: Mozilla Firefox, Firefox ESR, and Thunderbird contain a use-after-free vulnerability in SVG Animation, targeting Firefox and Tor browser users on Windows. | Required action: Apply updates per vendor instructions. | Due date: 2023-07-13 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://www.mozilla.org/en-US/security/advisories/mfsa2016-92/#CVE-2016-9079; https://nvd.nist.gov/vuln/detail/CVE-2016-9079
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-416 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | Firefox, Firefox ESR, and Thunderbird |
| Due Date | 2023-07-13 |
| Date Added | 2023-06-22 |
| Vendorproject | Mozilla |
| Vulnerabilityname | Mozilla Firefox, Firefox ESR, and Thunderbird Use-After-Free Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-10-02 08:09 CEST
| Updated: 2026-10-02 08:09 CEST
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 006802a1-f92e-40b9-87e7-b0ac34fe3000
Exploited: Yes
Timestamps
First Seen: 2023-06-22
Asserted: 2023-06-22
Scope
Notes: A use-after-free vulnerability in SVG Animation has been discovered. An exploit built on this vulnerability has been discovered in the wild... | Affected: Mozilla / Firefox, Firefox ESR, Thunderbird | CVSS: 7.5 (HIGH) | EPSS: 0.87423 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: previdian
Details
| Feed | Previdian (previdian.com) |
|---|---|
| Title | A use-after-free vulnerability in SVG Animation has been discovered. An exploit built on this vulnerability has been discovered in the wild... |
| Cve Id | CVE-2016-9079 |
| Vendor | Mozilla |
| Ghsa Id | None |
| Product | Firefox, Firefox ESR, Thunderbird |
| Added Date | 2023-06-22T00:00:00.000Z |
| Cvss Score | 7.5 |
| Epss Score | 0.87423 |
| Previous Ids | |
| Cvss Severity | HIGH |
| Virtual Patch | False |
| Cvss Estimated | False |
| Epss Percentile | 0.99754 |
| Used In Malware | unknown |
| Vulnerability Id | CVE-2016-9079 |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-10-02 09:11 CEST
| Updated: 2026-10-02 09:11 CEST
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"refsource": "EXPLOIT-DB",
"url": "https://www.exploit-db.com/exploits/42327/"
},
{
"name": "RHSA-2016:2850",
"refsource": "REDHAT",
"url": "http://rhn.redhat.com/errata/RHSA-2016-2850.html"
},
{
"name": "https://www.mozilla.org/security/advisories/mfsa2016-92/",
"refsource": "CONFIRM",
"url": "https://www.mozilla.org/security/advisories/mfsa2016-92/"
},
{
"name": "94591",
"refsource": "BID",
"url": "http://www.securityfocus.com/bid/94591"
},
{
"name": "GLSA-201701-15",
"refsource": "GENTOO",
"url": "https://security.gentoo.org/glsa/201701-15"
},
{
"name": "41151",
"refsource": "EXPLOIT-DB",
"url": "https://www.exploit-db.com/exploits/41151/"
},
{
"name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1321066",
"refsource": "CONFIRM",
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1321066"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"assignerShortName": "mozilla",
"cveId": "CVE-2016-9079",
"datePublished": "2018-06-11T21:00:00.000Z",
"dateReserved": "2016-10-27T00:00:00.000Z",
"dateUpdated": "2025-10-21T23:45:50.578Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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