Home / mailings [gentoo-announce] [ GLSA 202609-01 ] Chromium, Google Chrome, Microsoft Edge, Opera, Vivaldi: Multiple Vulnerabilities
Posted on 01 September 2026
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Gentoo Linux Security Advisory GLSA 202609-01
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https://security.gentoo.org/
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Severity: High
Title: Chromium, Google Chrome, Microsoft Edge, Opera, Vivaldi: Multiple Vulnerabilities
Date: September 01, 2026
Bugs: #955099, #955603, #956400, #956774, #957076, #957812, #958374, #959112, #959355
ID: 202609-01
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Synopsis
========
Multiple vulnerabilities have been found in Chromium, Google Chrome,
Microsoft Edge, Opera, and Vivaldi.
Background
==========
Chromium is an open-source browser project that aims to build a safer,
faster, and more stable way for all users to experience the web.
Google Chrome is one fast, simple, and secure browser for all your
devices.
Microsoft Edge is a browser that combines a minimal design with
sophisticated technology to make the web faster, safer, and easier.
Opera is a fast and secure web browser.
Vivaldi is a powerful, personal and private browser that adapts to you.
Affected packages
=================
Package Vulnerable Unaffected
------------------------- --------------- ----------------
www-client/chromium < 138.0.7204.92 >= 138.0.7204.92
www-client/google-chrome < 138.0.7204.92 >= 138.0.7204.92
www-client/microsoft-edge < 138.0.3351.65 >= 138.0.3351.65
www-client/opera < 122.0.5643.17 >= 122.0.5643.17
www-client/vivaldi < 7.5.3735.44 >= 7.5.3735.44
Description
===========
Multiple vulnerabilities have been discovered in Chromium, Google
Chrome, Microsoft Edge, Opera, and Vivaldi. 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 Chromium users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/chromium-138.0.7204.92"
All Google Chrome users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/google-chrome-138.0.7204.92"
All Microsoft Edge users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/microsoft-edge-138.0.3351.65"
All Opera users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/opera-122.0.5643.17"
All Vivaldi users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/vivaldi-7.5.3735.44"
References
==========
[ 1 ] CVE-2025-4050
https://nvd.nist.gov/vuln/detail/CVE-2025-4050
[ 2 ] CVE-2025-4051
https://nvd.nist.gov/vuln/detail/CVE-2025-4051
[ 3 ] CVE-2025-4052
https://nvd.nist.gov/vuln/detail/CVE-2025-4052
[ 4 ] CVE-2025-4096
https://nvd.nist.gov/vuln/detail/CVE-2025-4096
[ 5 ] CVE-2025-4372
https://nvd.nist.gov/vuln/detail/CVE-2025-4372
[ 6 ] CVE-2025-5063
https://nvd.nist.gov/vuln/detail/CVE-2025-5063
[ 7 ] CVE-2025-5064
https://nvd.nist.gov/vuln/detail/CVE-2025-5064
[ 8 ] CVE-2025-5065
https://nvd.nist.gov/vuln/detail/CVE-2025-5065
[ 9 ] CVE-2025-5066
https://nvd.nist.gov/vuln/detail/CVE-2025-5066
[ 10 ] CVE-2025-5067
https://nvd.nist.gov/vuln/detail/CVE-2025-5067
[ 11 ] CVE-2025-5068
https://nvd.nist.gov/vuln/detail/CVE-2025-5068
[ 12 ] CVE-2025-5280
https://nvd.nist.gov/vuln/detail/CVE-2025-5280
[ 13 ] CVE-2025-5281
https://nvd.nist.gov/vuln/detail/CVE-2025-5281
[ 14 ] CVE-2025-5283
https://nvd.nist.gov/vuln/detail/CVE-2025-5283
[ 15 ] CVE-2025-5419
https://nvd.nist.gov/vuln/detail/CVE-2025-5419
[ 16 ] CVE-2025-5958
https://nvd.nist.gov/vuln/detail/CVE-2025-5958
[ 17 ] CVE-2025-5959
https://nvd.nist.gov/vuln/detail/CVE-2025-5959
[ 18 ] CVE-2025-6191
https://nvd.nist.gov/vuln/detail/CVE-2025-6191
[ 19 ] CVE-2025-6192
https://nvd.nist.gov/vuln/detail/CVE-2025-6192
[ 20 ] CVE-2025-6554
https://nvd.nist.gov/vuln/detail/CVE-2025-6554
[ 21 ] CVE-2025-6555
https://nvd.nist.gov/vuln/detail/CVE-2025-6555
[ 22 ] CVE-2025-6556
https://nvd.nist.gov/vuln/detail/CVE-2025-6556
[ 23 ] CVE-2025-6557
https://nvd.nist.gov/vuln/detail/CVE-2025-6557
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202609-01
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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