Secunia Security Advisory – Debian has issued an update for avahi. This fixes two vulnerabilities, 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/92402/sa40853.txt
Source: https://packetstormsecurity.com/files/92402/Secunia-Security-Advisory-40853.html