Secunia Security Advisory – Debian has issued an update for nbd. This fixes a vulnerability, which potentially can be exploited by malicious people to compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/42511/sa18171.txt
Source: https://packetstormsecurity.com/files/42511/Secunia-Security-Advisory-18171.html