Mandriva Linux Security Advisory 2009-076 – A security vulnerability has been identified and fixed in avahi which could allow remote attackers to cause a denial of service (network bandwidth and CPU consumption) via a crafted legacy unicast mDNS query packet. The updated packages have been patched to prevent this.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/75738/MDVSA-2009-076.txt
Source: https://packetstormsecurity.com/files/75738/Mandriva-Linux-Security-Advisory-2009-076.html