CVE-2012-4184

Name of the Vulnerable Software and Affected Versions Mozilla Firefox versions prior to 16.0 Firefox ESR versions prior to 10.0.8 Thunderbird versions prior to 16.0 Thunderbird ESR versions prior to 10.0.8 SeaMonkey versions prior to 2.13

Description The issue allows remote attackers to execute arbitrary JavaScript code with chrome privileges via a crafted web site, due to the Chrome Object Wrapper (COW) implementation not preventing access to properties of a prototype for a standard class.

Recommendations For Mozilla Firefox versions prior to 16.0, update to version 16.0 or later. For Firefox ESR versions prior to 10.0.8, update to version 10.0.8 or later. For Thunderbird versions prior to 16.0, update to version 16.0 or later. For Thunderbird ESR versions prior to 10.0.8, update to version 10.0.8 or later. For SeaMonkey versions prior to 2.13, update to version 2.13 or later.