Mandriva Linux Security Advisory 2009-031 – A vulnerability has been discovered in Avahi before 0.6.24, which allows remote attackers to cause a denial of service (crash) via a crafted mDNS packet with a source port of 0. The updated packages have been patched to prevent this.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/74526/MDVSA-2009-031.txt
Source: https://packetstormsecurity.com/files/74526/Mandriva-Linux-Security-Advisory-2009-031.html