Secunia Security Advisory – Gentoo has issued an update for xorg-server. This fixes some vulnerabilities, which can be exploited by malicious, local users to gain escalated privileges.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/54038/sa23966.txt
Source: https://packetstormsecurity.com/files/54038/Secunia-Security-Advisory-23966.html