Secunia Security Advisory – Ubuntu has issued an update for bind9. This fixes a vulnerability, which can be exploited by malicious people to poison the DNS cache.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/83486/sa37511.txt
Source: https://packetstormsecurity.com/files/83486/Secunia-Security-Advisory-37511.html