Secunia Security Advisory – Debian has issued an update for dkim-milter. This fixes a vulnerability, which can be exploited by malicious people to conduct DoS (Denial of Service) attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/75338/sa34053.txt
Source: https://packetstormsecurity.com/files/75338/Secunia-Security-Advisory-34053.html