Debian Linux Security Advisory 1968-2 – It was discovered that pdns-recursor, the PowerDNS recursive name server, contains a cache poisoning vulnerability which may allow attackers to trick the server into serving incorrect DNS data (CVE-2009-4010).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/85750/dsa-1968-2.txt
Source: https://packetstormsecurity.com/files/85750/Debian-Linux-Security-Advisory-1968-2.html