Secunia Security Advisory – Ubuntu has issued an update for firefox and xulrunner. This fixes some vulnerabilities, which can be exploited by malicious people to bypass certain security restrictions, conduct spoofing attacks, or compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/81230/sa36710.txt
Source: https://packetstormsecurity.com/files/81230/Secunia-Security-Advisory-36710.html