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From: Thomas Deutschmann <whissi@gentoo.org>
Reply-To: security@gentoo.org
To: gentoo-announce@lists.gentoo.org
Message-ID: <b9d00df6-1ffd-ca12-2e43-fc7f53990061@gentoo.org>
Subject: [ GLSA 201811-01 ] X.Org X11 library: Multiple vulnerabilities

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Gentoo Linux Security Advisory                           GLSA 201811-01
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: X.Org X11 library: Multiple vulnerabilities
     Date: November 09, 2018
     Bugs: #664184
       ID: 201811-01

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Synopsis
========

Multiple vulnerabilities have been found in X.Org X11 library, the
worst of which could allow for remote code execution.

Background
==========

X.Org is an implementation of the X Window System. The X.Org X11
library provides the X11 protocol library files.

Affected packages
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  x11-libs/libX11              < 1.6.6                    >= 1.6.6

Description
===========

Multiple vulnerabilities have been discovered in X.Org X11 library.
Please review the CVE identifiers referenced below for details.

Impact
======

A remote attacker, by enticing a user to connect to a malicious server,
could cause the execution of arbitrary code with the privileges of the
process, or cause a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All X.Org X11 library users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=x11-libs/libX11-1.6.6"

References
==========

[ 1 ] CVE-2018-14598
      https://nvd.nist.gov/vuln/detail/CVE-2018-14598
[ 2 ] CVE-2018-14599
      https://nvd.nist.gov/vuln/detail/CVE-2018-14599
[ 3 ] CVE-2018-14600
      https://nvd.nist.gov/vuln/detail/CVE-2018-14600

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/201811-01

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2018 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5


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