The remote host is missing updates announced in advisory RHSA-2007:0003.
X.org is an open source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon.
iDefense reported three integer overflow flaws in the X.org Render and DBE extensions. A malicious authorized client could exploit this issue to cause a denial of service (crash) or potentially execute arbitrary code with root privileges on the X.org server. (CVE-2006-6101, CVE-2006-6102, CVE-2006-6103)
Users of X.org should upgrade to these updated packages, which contain a backported patch and is not vulnerable to this issue.
Solution: Please note that this update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date