Secunia Security Advisory – Ubuntu has issued an update for firefox-3.0 and xulrunner-1.9. This fixes some vulnerabilities, which can be exploited by malicious people to conduct spoofing attacks, bypass certain security restrictions, disclose sensitive information, or compromise a user’s system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/75489/sa34110.txt
Source: https://packetstormsecurity.com/files/75489/Secunia-Security-Advisory-34110.html