[ GLSA 202608-09 ] Bubblewrap: Root privilege escalation

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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
[email protected] 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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