Secunia Security Advisory – Red Hat has issued an update for avahi. This fixes multiple 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/91911/sa40584.txt
Source: https://packetstormsecurity.com/files/91911/Secunia-Security-Advisory-40584.html