Secunia Security Advisory – Debian has issued an update for znc. This fixes a vulnerability, which can be exploited by malicious users to compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/79900/sa36091.txt
Source: https://packetstormsecurity.com/files/79900/Secunia-Security-Advisory-36091.html