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Gentoo Linux Security Advisory GLSA 202310-09
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https://security.gentoo.org/
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Severity: Normal
Title: c-ares: Multiple Vulnerabilities
Date: October 08, 2023
Bugs: #906964
ID: 202310-09

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Synopsis
========

Multiple vulnerabilities have been discovered in c-ares the worst of
which could result in Denial of Service.

Background
==========

c-ares is a C library for asynchronous DNS requests (including name
resolves).

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

Package Vulnerable Unaffected
-------------- ------------ ------------
net-dns/c-ares < 1.19.1 >= 1.19.1

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

Multiple vulnerabilities have been discovered in c-ares. 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 c-ares users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-dns/c-ares-1.19.1"

References
==========

[ 1 ] CVE-2023-31124
https://nvd.nist.gov/vuln/detail/CVE-2023-31124
[ 2 ] CVE-2023-31130
https://nvd.nist.gov/vuln/detail/CVE-2023-31130
[ 3 ] CVE-2023-31147
https://nvd.nist.gov/vuln/detail/CVE-2023-31147
[ 4 ] CVE-2023-32067
https://nvd.nist.gov/vuln/detail/CVE-2023-32067

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

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

https://security.gentoo.org/glsa/202310-09

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 2023 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
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