Secunia Security Advisory – Debian has issued an update for squidguard. This fixes some security issues, 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/89102/sa39679.txt
Source: https://packetstormsecurity.com/files/89102/Secunia-Security-Advisory-39679.html