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[gentoo-announce] [ GLSA 202608-09 ] Bubblewrap: Root privilege escalation

Posted on 14 August 2026
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 202608-09
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https://security.gentoo.org/
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Severity: High
Title: Bubblewrap: Root privilege escalation
Date: August 14, 2026
Bugs: #973131
ID: 202608-09

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Synopsis
========
A vulnerability has been discovered in Bubblewrap that would allow root
privilege escalation.

Background
==========
Bubblewrap is an unprivileged sandboxing tool namespaces-powered chroot-
like solution.

Affected packages
=================
Package Vulnerable Unaffected
------------------- ------------ ------------
sys-apps/bubblewrap < 0.11.2 >= 0.11.2

Description
===========
A vulnerability has been discovered in Bubblewrap. Please review the CVE
identifier referenced below for details.

Impact
======
An attacker could achieve root privilege escalation if Bubblewrap is
used in its suid mode.

Workaround
==========
There is no known workaround at this time.

Resolution
==========
All Bubblewrap users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/bubblewrap-0.11.2"

References
==========
[ 1 ] CVE-2026-41163
https://nvd.nist.gov/vuln/detail/CVE-2026-41163

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

https://security.gentoo.org/glsa/202608-09

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 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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