CVE-2012-1951

CriticalCVSS 10.0/10Last modified Jun 16, 2026

Description

Use-after-free vulnerability in the nsSMILTimeValueSpec::IsEventBased function in Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 13.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.11 allows remote attackers to cause a denial of service (heap memory corruption) or possibly execute arbitrary code by interacting with objects used for SMIL Timing.

Metrics

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

Weakness enumeration

CWE-399

Affected software

No affected versions have been published.

Timeline

Published
Jul 18, 2012
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2012-1951: Critical severity, CVSS 10.0 | Vulnix