Secunia Security Advisory – Red Hat has issued an update for XFree86. This fixes some vulnerabilities, which can be exploited by malicious, local users to cause a DoS (Denial of Service), disclose potentially sensitive information, or gain escalated privileges.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/62768/sa28542.txt
Source: https://packetstormsecurity.com/files/62768/Secunia-Security-Advisory-28542.html