Secunia Security Advisory – Red Hat has issued an update for xorg-x11-server. This fixes a vulnerability, which potentially can be exploited by malicious people to compromise a user’s system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/89050/sa39650.txt
Source: https://packetstormsecurity.com/files/89050/Secunia-Security-Advisory-39650.html