VULNERABILITY INTELLIGENCE

CVE-2008-5014

CVSS score10 HIGH
EPSS probability5.87%
CISA KEVNot currently listed
Published2008-11-13
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:C/I:C/A:C

Description

jslock.cpp in Mozilla Firefox 3.x before 3.0.2, Firefox 2.x before 2.0.0.18, Thunderbird 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code by modifying the window.__proto__.__proto__ object in a way that causes a lock on a non-native object, which triggers an assertion failure related to the OBJ_IS_NATIVE function.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references