An Expat security update has been released for Gentoo Linux.

GLSA 202209-24 : Expat: Multiple Vulnerabilities

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Gentoo Linux Security Advisory GLSA 202209-24
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  https://security.gentoo.org/
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Severity: High
Title: Expat: Multiple Vulnerabilities
Date: September 29, 2022
Bugs: #791703, #830422, #831918, #833431, #870097
ID: 202209-24

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Synopsis
=======
Multiple vulnerabilities have been discovered in Expat, the worst of
which could result in arbitrary code execution.

Background
=========
Expat is a set of XML parsing libraries.

Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-libs/expat < 2.4.9 >= 2.4.9

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 ">?v-libs/expat-2.4.9"

References
=========
[ 1 ] CVE-2021-45960
  https://nvd.nist.gov/vuln/detail/CVE-2021-45960
[ 2 ] CVE-2021-46143
  https://nvd.nist.gov/vuln/detail/CVE-2021-46143
[ 3 ] CVE-2022-22822
  https://nvd.nist.gov/vuln/detail/CVE-2022-22822
[ 4 ] CVE-2022-22823
  https://nvd.nist.gov/vuln/detail/CVE-2022-22823
[ 5 ] CVE-2022-22824
  https://nvd.nist.gov/vuln/detail/CVE-2022-22824
[ 6 ] CVE-2022-22825
  https://nvd.nist.gov/vuln/detail/CVE-2022-22825
[ 7 ] CVE-2022-22826
  https://nvd.nist.gov/vuln/detail/CVE-2022-22826
[ 8 ] CVE-2022-22827
  https://nvd.nist.gov/vuln/detail/CVE-2022-22827
[ 9 ] CVE-2022-23852
  https://nvd.nist.gov/vuln/detail/CVE-2022-23852
[ 10 ] CVE-2022-23990
  https://nvd.nist.gov/vuln/detail/CVE-2022-23990
[ 11 ] CVE-2022-25235
  https://nvd.nist.gov/vuln/detail/CVE-2022-25235
[ 12 ] CVE-2022-25236
  https://nvd.nist.gov/vuln/detail/CVE-2022-25236
[ 13 ] CVE-2022-25313
  https://nvd.nist.gov/vuln/detail/CVE-2022-25313
[ 14 ] CVE-2022-25314
  https://nvd.nist.gov/vuln/detail/CVE-2022-25314
[ 15 ] CVE-2022-25315
  https://nvd.nist.gov/vuln/detail/CVE-2022-25315
[ 16 ] CVE-2022-40674
  https://nvd.nist.gov/vuln/detail/CVE-2022-40674

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

  https://security.gentoo.org/glsa/202209-24

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