Debian Security Advisory 1172-1 – Two vulnerabilities have been discovered in BIND9, the Berkeley Internet Name Domain server. The first relates to SIG query processing and the second relates to a condition that can trigger an INSIST failure, both lead to a denial of service.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/49916/dsa-1172-1.txt
Source: https://packetstormsecurity.com/files/49916/Debian-Linux-Security-Advisory-1172-1.html