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Gentoo Linux Security Advisory                           GLSA 202412-10
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: Dnsmasq: Multiple Vulnerabilities
     Date: December 07, 2024
     Bugs: #867322, #905321, #924448
       ID: 202412-10

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Synopsis
========

Multiple vulnerabilities have been discovered in Dnsmasq, the worst of
which could lead to a denial of service.

Background
==========

Dnsmasq is a lightweight and easily-configurable DNS forwarder and DHCP
server.

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

Package          Vulnerable    Unaffected
---------------  ------------  ------------
net-dns/dnsmasq  < 2.90        >= 2.90

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

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

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-dns/dnsmasq-2.90"

References
==========

[ 1 ] CVE-2022-0934
      https://nvd.nist.gov/vuln/detail/CVE-2022-0934
[ 2 ] CVE-2023-28450
      https://nvd.nist.gov/vuln/detail/CVE-2023-28450
[ 3 ] CVE-2023-50387
      https://nvd.nist.gov/vuln/detail/CVE-2023-50387
[ 4 ] CVE-2023-50868
      https://nvd.nist.gov/vuln/detail/CVE-2023-50868

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

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

 https://security.gentoo.org/glsa/202412-10

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 2024 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