Secunia Security Advisory – Gentoo has issued an update for avahi. This fixes a vulnerability, 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/52421/sa23043.txt
Source: https://packetstormsecurity.com/files/52421/Secunia-Security-Advisory-23043.html