RedHat xorg-x11-server important security vulnerability

An important vulnerability regarding RedHat xorg-x11-server has been reported. The vulnerability could lead to a root-level compromise. RedHat has classified the severity level as "important" and detailed information is available at https://rhn.redhat.com/errata/RHSA-2010-0382.html
Although the vulnerability is not likely to affect the grid environment, we recommend all site admins to apply the patch on their systems as soon as possible for their site's protection.