Secunia Security Advisory – Ubuntu has issued an update for dnsmasq. 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/68441/sa31199.txt
Source: https://packetstormsecurity.com/files/68441/Secunia-Security-Advisory-31199.html