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Gentoo Linux Security Advisory                           GLSA 201810-05
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: xkbcommon: Multiple vulnerabilities
     Date: October 30, 2018
     Bugs: #665702
       ID: 201810-05

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Synopsis
========

Multiple vulnerabilities have been found in xkbcommon, the worst of
which may lead to a Denial of Service condition.

Background
==========

xkbcommon is a library to handle keyboard descriptions, including
loading them from disk, parsing them and handling their state.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  x11-libs/libxkbcommon        < 0.8.2                    >= 0.8.2

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

Multiple vulnerabilities have been discovered in libxkbcommon. Please
review the CVE identifiers referenced below for details.

Impact
======

A local attacker could supply a specially crafted keymap file possibly
resulting in a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All libxkbcommon users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=x11-libs/libxkbcommon-0.8.2"

References
==========

[  1 ] CVE-2018-15853
       https://nvd.nist.gov/vuln/detail/CVE-2018-15853
[  2 ] CVE-2018-15854
       https://nvd.nist.gov/vuln/detail/CVE-2018-15854
[  3 ] CVE-2018-15855
       https://nvd.nist.gov/vuln/detail/CVE-2018-15855
[  4 ] CVE-2018-15856
       https://nvd.nist.gov/vuln/detail/CVE-2018-15856
[  5 ] CVE-2018-15857
       https://nvd.nist.gov/vuln/detail/CVE-2018-15857
[  6 ] CVE-2018-15858
       https://nvd.nist.gov/vuln/detail/CVE-2018-15858
[  7 ] CVE-2018-15859
       https://nvd.nist.gov/vuln/detail/CVE-2018-15859
[  8 ] CVE-2018-15861
       https://nvd.nist.gov/vuln/detail/CVE-2018-15861
[  9 ] CVE-2018-15862
       https://nvd.nist.gov/vuln/detail/CVE-2018-15862
[ 10 ] CVE-2018-15863
       https://nvd.nist.gov/vuln/detail/CVE-2018-15863
[ 11 ] CVE-2018-15864
       https://nvd.nist.gov/vuln/detail/CVE-2018-15864

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

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

 https://security.gentoo.org/glsa/201810-05

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