Secunia Security Advisory – Debian has issued an update for crossfire. This fixes a vulnerability, which can be exploited by malicious people to cause a DoS (Denial of Service).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/44678/sa19194.txt
Source: https://packetstormsecurity.com/files/44678/Secunia-Security-Advisory-19194.html