CVE-2012-4204

CriticalCVSS 9.3/10Last modified Jun 16, 2026

Description

The str_unescape function in the JavaScript engine in Mozilla Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via unspecified vectors.

Metrics

CVSS 2.0 9.3/10AV:N/AC:M/Au:N/C:C/I:C/A:C

Weakness enumeration

CWE-119

Affected software

No affected versions have been published.

Timeline

Published
Nov 21, 2012
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2012-4204: Critical severity, CVSS 9.3 | Vulnix