Secunia Security Advisory – Ubuntu has issued an update for firefox and xulrunner. This fixes some vulnerabilities, which can be exploited by malicious people to conduct cross-site scripting attacks or compromise a user’s system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/86662/sa38663.txt
Source: https://packetstormsecurity.com/files/86662/Secunia-Security-Advisory-38663.html