CVE-2012-3956

CriticalCVSS 10.0/10Last modified Jun 16, 2026

Description

Use-after-free vulnerability in the MediaStreamGraphThreadRunnable::Run function in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.

Metrics

CVSS 2.0 10.0/10AV:N/AC:L/Au:N/C:C/I:C/A:C

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 29, 2012
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2012-3956: Critical severity, CVSS 10.0 | Vulnix