Secunia Security Advisory – Some vulnerabilities have been reported in PowerDNS Recursor, which can be exploited by malicious people to conduct spoofing attacks and potentially compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/85277/sa38004.txt
Source: https://packetstormsecurity.com/files/85277/Secunia-Security-Advisory-38004.html