Secunia Security Advisory – Ubuntu has issued an update for firefox. 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/48681/sa21243.txt
Source: https://packetstormsecurity.com/files/48681/Secunia-Security-Advisory-21243.html