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[gentoo-announce] [ GLSA 202608-20 ] acl, attr: Multiple vulnerabilities

Posted on 20 August 2026
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 202608-20
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https://security.gentoo.org/
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Severity: High
Title: acl, attr: Multiple vulnerabilities
Date: August 20, 2026
Bugs: #978280
ID: 202608-20

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Synopsis
========
Multiple vulnerabilities have been found in acl and attr, the worst of
which could lead to local privilege escalation.

Background
==========
For more information on the packages listed in this GLSA, please see
their homepage referenced in the ebuild.

Affected packages
=================
Package Vulnerable Unaffected
------------- ------------ ------------
sys-apps/acl < 2.4.0 >= 2.4.0
sys-apps/attr < 2.6.0 >= 2.6.0

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

# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/acl-2.4.0"

All attr users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/attr-2.6.0"

References
==========
[ 1 ] CVE-2026-54369
https://nvd.nist.gov/vuln/detail/CVE-2026-54369
[ 2 ] CVE-2026-54370
https://nvd.nist.gov/vuln/detail/CVE-2026-54370
[ 3 ] CVE-2026-54371
https://nvd.nist.gov/vuln/detail/CVE-2026-54371

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

https://security.gentoo.org/glsa/202608-20

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 2026 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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