GLSA 202608-09: Bubblewrap: Root privilege escalation

http://security.gentoo.org/

Severity:	high
Title:	Bubblewrap: Root privilege escalation
Date:	08/14/2026
Bugs:	#973131
ID:	202608-09

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	Architecture(s)
sys-apps/bubblewrap	< 0.11.2	>= 0.11.2	All supported architectures

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

CVE-2026-41163

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202608-09.xml

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.