Secunia Security Advisory – Gentoo has issued an update for Net-DNS. This fixes two vulnerabilities, which can be exploited by malicious people 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/58484/sa26417.txt
Source: https://packetstormsecurity.com/files/58484/Secunia-Security-Advisory-26417.html