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 cross-site scripting attacks or compromise a user’s system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/79566/sa35958.txt
Source: https://packetstormsecurity.com/files/79566/Secunia-Security-Advisory-35958.html