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Gentoo Linux Security Advisory                           GLSA 202210-39
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                                           https://security.gentoo.org/
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 Severity: High
    Title: libxml2: Multiple Vulnerabilities
     Date: October 31, 2022
     Bugs: #877149
       ID: 202210-39

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Synopsis
========

Multiple vulnerabilities have been found in libxml2, the worst of which
could result in arbitrary code execution.

Background
==========

libxml2 is the XML C parser and toolkit developed for the GNOME project.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-libs/libxml2           < 2.10.3                    >= 2.10.3

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

Multiple vulnerabilities have been discovered in libxml2. 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 libxml2 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-libs/libxml2-2.10.3"

References
==========

[ 1 ] CVE-2022-40303
      https://nvd.nist.gov/vuln/detail/CVE-2022-40303
[ 2 ] CVE-2022-40304
      https://nvd.nist.gov/vuln/detail/CVE-2022-40304

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

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

 https://security.gentoo.org/glsa/202210-39

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 2022 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