XFree86 security update

CentOS Errata and Security Advisory CESA-2008:0512-01

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

An input validation flaw was discovered in X.org’s Security and Record
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-2008-1377)

An integer overflow flaw was found in X.org’s Render extension. 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-2008-2360)

An input validation flaw was discovered in X.org’s MIT-SHM extension. A
client connected to the X.org server could read arbitrary server memory.
This could result in the sensitive data of other users of the X.org server
being disclosed. (CVE-2008-1379)

Users of XFree86 are advised to upgrade to these updated packages, which
contain backported patches to resolve these issues.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2008-June/077139.html

Affected packages:
XFree86
XFree86-100dpi-fonts
XFree86-75dpi-fonts
XFree86-ISO8859-15-100dpi-fonts
XFree86-ISO8859-15-75dpi-fonts
XFree86-ISO8859-2-100dpi-fonts
XFree86-ISO8859-2-75dpi-fonts
XFree86-ISO8859-9-100dpi-fonts
XFree86-ISO8859-9-75dpi-fonts
XFree86-Xnest
XFree86-Xvfb
XFree86-cyrillic-fonts
XFree86-devel
XFree86-doc
XFree86-libs
XFree86-tools
XFree86-twm
XFree86-xdm
XFree86-xf86cfg
XFree86-xfs