CVE-2002-2436
The Cascading Style Sheets (CSS) implementation in Mozilla Firefox before 4.0, Thunderbird before 3.3, and SeaMonkey before 2.1 does not properly handle the :visited pseudo-class, which allows remote attackers to obtain sensitive information about visited web pages via a crafted HTML document, a related issue to CVE-2010-2264.
Date published : 2011-12-07
http://blog.mozilla.com/security/2010/03/31/plugging-the-css-history-leak/