Debian Security Advisory DSA 771-1 – Several problems have been discovered in pdns, a versatile nameserver that can lead to a denial of service.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/39037/dsa-771-1.txt
Source: https://packetstormsecurity.com/files/39037/Debian-Linux-Security-Advisory-771-1.html