Secunia Security Advisory – Red Hat has issued an update for xorg-x11. This fixes some vulnerabilities, which can be exploited by malicious, local users to disclose sensitive information, cause a DoS (Denial of Service), and gain escalated privileges.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/55569/sa24745.txt
Source: https://packetstormsecurity.com/files/55569/Secunia-Security-Advisory-24745.html