Secunia Security Advisory – Debian has issued an update for unbound. This fixes a security issue, which can be exploited by malicious people to bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/84242/sa37913.txt
Source: https://packetstormsecurity.com/files/84242/Secunia-Security-Advisory-37913.html