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[gentoo-announce] [ GLSA 202208-26 ] libarchive: Multiple Vulnerabilities

Posted on 14 August 2022
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 202208-26
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https://security.gentoo.org/
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Severity: High
Title: libarchive: Multiple Vulnerabilities
Date: August 14, 2022
Bugs: #803128, #836352, #837266
ID: 202208-26

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

Background
==========
libarchive is a library for manipulating different streaming archive
formats, including certain tar variants, several cpio formats, and both
BSD and GNU ar variants.

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-arch/libarchive < 3.6.1 >= 3.6.1

Description
===========
Multiple vulnerabilities have been discovered in libarchive. 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 libarchive users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-arch/libarchive-3.6.1"

References
==========
[ 1 ] CVE-2021-31566
https://nvd.nist.gov/vuln/detail/CVE-2021-31566
[ 2 ] CVE-2021-36976
https://nvd.nist.gov/vuln/detail/CVE-2021-36976
[ 3 ] CVE-2022-26280
https://nvd.nist.gov/vuln/detail/CVE-2022-26280
[ 4 ] CVE-2022-28066
https://nvd.nist.gov/vuln/detail/CVE-2022-28066

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

https://security.gentoo.org/glsa/202208-26

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
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