(RHSA-2007:0002) Important: XFree86 security update

XFree86 is an implementation of the X Window System, which provides the
core functionality for the Linux graphical desktop.

iDefense reported three integer overflow flaws in the XFree86 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 XFree86 server. (CVE-2006-6101, CVE-2006-6102,
CVE-2006-6103)

Users of XFree86 should upgrade to these updated packages, which contain a
backported patch and is not vulnerable to this issue.