Secunia Security Advisory – Debian has issued an update for zoo. This fixes a vulnerability, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially to compromise a user’s system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/44555/sa19166.txt
Source: https://packetstormsecurity.com/files/44555/Secunia-Security-Advisory-19166.html