CVE-2010-5074

Name of the Vulnerable Software and Affected Versions Mozilla Firefox versions prior to 4.0 Thunderbird versions prior to 3.3 SeaMonkey versions prior to 2.1

Description The issue allows remote attackers to obtain sensitive information about visited web pages via a timing attack, due to the layout engine executing different code for visited and unvisited links during the processing of Cascading Style Sheets (CSS) token sequences.

Recommendations For Mozilla Firefox versions prior to 4.0, update to version 4.0 or later. For Thunderbird versions prior to 3.3, update to version 3.3 or later. For SeaMonkey versions prior to 2.1, update to version 2.1 or later.