Important: xorg-x11-server security update
Security Advisory: Important
Updated xorg-x11-server packages that fix one security issue are now
available for Red Hat Enterprise Linux 5.
The Red Hat Security Response Team has rated this update as having
important security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from the
CVE link in the References section.
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.
An incorrect calculation flaw was discovered in the X.Org Render extension.
A malicious, authorized client could exploit this issue to crash the X.Org
server or, potentially, execute arbitrary code with root privileges.
(CVE-2010-1166)
Users of xorg-x11-server should upgrade to these updated packages, which
contain a backported patch to resolve this issue. All running X.Org server
instances must be restarted for this update to take effect.
Before applying this update, make sure all previously-released errata
relevant to your system have been applied.
This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259