CVE-2012-4183: n/a vulnerability

CVE-2012-4183: Use-after-free vulnerability in the DOMSVGTests::GetRequiredFeatures function in Mozilla Firefox before 16....

Use-after-free vulnerability in the DOMSVGTests::GetRequiredFeatures function in Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 20:28 UTC (UTC+00:00)

Security readout for executives and security teams

This is an old Mozilla memory-safety flaw that could let a malicious remote actor run code or crash the application through unspecified vectors. The listed vulnerable products are legacy Firefox, Firefox ESR, Thunderbird, Thunderbird ESR, and SeaMonkey versions from 2012. Modern supported deployments should mainly treat this as a legacy asset exposure issue. Exposure is most likely on unmanaged, embedded, or long-lived systems still running the named legacy Mozilla application versions. Normal supported desktop fleets should have low likelihood, but security teams should verify rather than assume removal. Prioritize this when legacy Mozilla clients remain in business environments. The vulnerability has remote code execution potential, but the supplied sources do not show current active exploitation. For modern fleets, focus on confirming absence of vulnerable versions. Mitigation focus: Upgrade affected Mozilla products beyond the vulnerable versions listed in the CVE.; Remove unsupported legacy Firefox, Thunderbird, and SeaMonkey installations from production systems.; Check applicable vendor advisories for distribution-specific package updates..

Prepared: Jun 27, 2026, 16:25 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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CVE-2012-4183 mapping review

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Oct 10, 2012, 17:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
firefox-domsvgtests-code-exec(79161)CVE reference · vdb-entry, x_refsource_XF
https://bugzilla.mozilla.org/show_bug.cgi?id=786895CVE reference · x_refsource_CONFIRM
oval:org.mitre.oval:def:16850CVE reference · vdb-entry, signature

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.