CVE-2012-0457: n/a vulnerability

CVE-2012-0457: Use-after-free vulnerability in the nsSMILTimeValueSpec::ConvertBetweenTimeContainer function in Mozilla Fi...

Use-after-free vulnerability in the nsSMILTimeValueSpec::ConvertBetweenTimeContainer function in Mozilla Firefox before 3.6.28 and 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird before 3.1.20 and 5.0 through 10.0, Thunderbird ESR 10.x before 10.0.3, and SeaMonkey before 2.8 might allow remote attackers to execute arbitrary code via an SVG animation.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 18:23 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2012-0457 is a memory safety flaw in older Mozilla browsers and mail clients. A malicious SVG animation could potentially trigger code execution in the affected application. Business risk is mainly legacy exposure: unsupported Firefox, Thunderbird, SeaMonkey, or downstream Linux packages from 2012-era systems. Likely exposure is limited to obsolete Mozilla desktop software, embedded legacy browser components, or old Linux distributions carrying vulnerable Mozilla packages. Modern supported Mozilla releases should not be assumed affected from these sources. Treat this as high priority only where legacy Mozilla software still exists. For normal modern fleets, urgency is an asset-discovery and cleanup exercise rather than an emergency response, because no active exploitation evidence is provided in the bundle. Mitigation focus: Upgrade affected Mozilla products to fixed or currently supported vendor releases.; Prioritize removal of unsupported Firefox, Thunderbird, and SeaMonkey versions.; Check Linux vendor advisories for backported package fixes..

Prepared: Jun 24, 2026, 12:52 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

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CVE-2012-0457 mapping review

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Mar 14, 2012, 19:00 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

3Source 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
oval:org.mitre.oval:def:14775CVE reference · vdb-entry, signature
https://bugzilla.mozilla.org/show_bug.cgi?id=720103CVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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