Secunia Security Advisory – Mandriva has issued an update for perl-Net-DNS. This fixes some vulnerabilities, which can be exploited to poison the DNS cache or cause a DoS (Denial of Service).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/57743/sa26014.txt
Source: https://packetstormsecurity.com/files/57743/Secunia-Security-Advisory-26014.html