Secunia Security Advisory – Debian has issued an update for xulrunner. This fixes a weakness and a vulnerability, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/76277/sa34549.txt
Source: https://packetstormsecurity.com/files/76277/Secunia-Security-Advisory-34549.html