CVE-2011-2991

CriticalCVSS 10.0/10Last modified Jun 16, 2026

Description

The browser engine in Mozilla Firefox 4.x through 5, SeaMonkey 2.x before 2.3, Thunderbird before 6, and possibly other products does not properly implement JavaScript, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code 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 18, 2011
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2011-2991: Critical severity, CVSS 10.0 | Vulnix