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Gentoo Linux Security Advisory                           GLSA 201911-08
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: Expat: Multiple vulnerabilities
     Date: November 25, 2019
     Bugs: #688734, #694362
       ID: 201911-08

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Synopsis
========

Multiple vulnerabilities have been found in Expat, the worst of which
could result in a Denial of Service condition.

Background
==========

Expat is a set of XML parsing libraries.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-libs/expat               < 2.2.8                    >= 2.2.8 

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

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

Impact
======

Please review the referenced CVE identifiers for details.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Expat users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-libs/expat-2.2.8"

References
==========

[ 1 ] CVE-2018-20843
      https://nvd.nist.gov/vuln/detail/CVE-2018-20843
[ 2 ] CVE-2019-15903
      https://nvd.nist.gov/vuln/detail/CVE-2019-15903

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

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

 https://security.gentoo.org/glsa/201911-08

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 2019 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