Secunia Security Advisory – Ubuntu has issued an update for clamav. This fixes a security issue, which can be exploited by malicious, local users to bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/77258/sa35000.txt
Source: https://packetstormsecurity.com/files/77258/Secunia-Security-Advisory-35000.html