Secunia Security Advisory – Ubuntu has issued an update for firefox and xulrunner. This fixes some vulnerabilities, which can be exploited by malicious people to disclose potentially sensitive information, potentially conduct cross-site scripting attacks, bypass certain security restrictions, conduct spoofing attacks, and compromise a user’s system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/92117/sa40683.txt
Source: https://packetstormsecurity.com/files/92117/Secunia-Security-Advisory-40683.html