xorg-x11 security update

Updated X.org packages that fix a security issue are now available for Red
Hat Enterprise Linux 4.

This update has been rated as having important security impact by the Red
Hat Security Response Team.

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 such as GNOME and KDE are designed upon.

A buffer overflow flaw in the X.org server RENDER extension was discovered.
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-2006-1526)

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

This issue does not affect Red Hat Enterprise Linux 2.1 or 3.

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

This update is available via Red Hat Network. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:

up2date

This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.

189801 - CVE-2006-1526 X.Org buffer overflow

https://www.redhat.com/security/data/cve/CVE-2006-1526.html
http://lists.freedesktop.org/archives/xorg/2006-May/015136.html
http://www.redhat.com/security/updates/classification/#important

buffer, overflow, render, security