The remote host is missing an update to avahi announced via advisory MDVSA-2009:031.
To upgrade automatically use MandrakeUpdate or urpmi. The verification of md5 checksums and GPG signatures is performed automatically for you. https://secure1.securityspace.com/smysecure/catid.html?in=MDVSA-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 (CVE-2008-5081). The updated packages have been patched to prevent this. Affected: 2008.0, 2008.1, 2009.0