Secunia Security Advisory – Ubuntu has issued an update for firefox. This fixes some vulnerabilities, which can be exploited by malicious people to bypass certain security restrictions, conduct cross-site scripting and HTTP response smuggling attacks, disclose sensitive information, and potentially compromise a user’s system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/48520/sa21188.txt
Source: https://packetstormsecurity.com/files/48520/Secunia-Security-Advisory-21188.html