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Test ID:
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2005:501

The remote host is missing updates announced in
advisory RHSA-2005:501.

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

Several integer overflow bugs were found in the way XFree86 parses pixmap
images. It is possible for a user to gain elevated privileges by loading a
specially crafted pixmap image. The Common Vulnerabilities and Exposures
project ( has assigned the name CVE-2005-2495 to this issue.

Additionally this update adds the following new features in this release:
- - Support for ATI RN50/ES1000 chipsets has been added.

The following bugs were also fixed in this release:
- - A problem with the X server's module loading system that led to cache
incoherency on the Itanium architecture.

- - The X server's PCI config space accesses caused contention
with the kernel if accesses occurred while the kernel lock was held.

- - X font server (xfs) crashed when accessing Type 1 fonts
via showfont.

- - A problem with the X transport library prevented X applications
from starting if the hostname started with a digit.

- - An issue where refresh rates were being restricted to 60Hz on
some Intel i8xx systems

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

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

Risk factor : High

CVSS Score:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2005-2495
BugTraq ID: 14807
CERT/CC vulnerability note: VU#102441
Debian Security Information: DSA-816 (Google Search)
HPdes Security Advisory: HPSBUX02137
HPdes Security Advisory: SSRT051024
SCO Security Bulletin: SCOSA-2006.22
SGI Security Advisory: 20060403-01-U
SuSE Security Announcement: SUSE-SA:2005:056 (Google Search)
SuSE Security Announcement: SUSE-SR:2005:023 (Google Search)
XForce ISS Database: xorg-pixmap-bo(22244)
CopyrightCopyright (c) 2005 E-Soft Inc.

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