Secunia Security Advisory – Debian has issued an update for xulrunner. This fixes some vulnerabilities, which can be exploited by malicious people to bypass certain security restrictions and potentially compromise a user’s system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/88133/sa39308.txt
Source: https://packetstormsecurity.com/files/88133/Secunia-Security-Advisory-39308.html