Home / mailings

PDF

[gentoo-announce] [ GLSA 202608-06 ] Flatpak: Multiple Vulnerabilities

Posted on 14 August 2026
Gentoo-announce

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 202608-06
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Severity: High
Title: Flatpak: Multiple Vulnerabilities
Date: August 14, 2026
Bugs: #972414
ID: 202608-06

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
========
Multiple vulnerabilities have been found in Flatpak, the worst of which
allows sandbox escape.

Background
==========
Flatpak is a Linux application sandboxing and distribution framework.

Affected packages
=================
Package Vulnerable Unaffected
---------------- ------------ ------------
sys-apps/flatpak < 1.16.4 >= 1.16.4

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

# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/flatpak-1.16.4"

References
==========
[ 1 ] CVE-2026-34078
https://nvd.nist.gov/vuln/detail/CVE-2026-34078
[ 2 ] CVE-2026-34079
https://nvd.nist.gov/vuln/detail/CVE-2026-34079

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

https://security.gentoo.org/glsa/202608-06

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
--===============0938501487403923977==Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="signature.asc"

 

TOP