Secunia Security Advisory – Some vulnerabilities have been reported in XFree86, 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/49985/sa21890.txt
Source: https://packetstormsecurity.com/files/49985/Secunia-Security-Advisory-21890.html