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Fedora 43 Chromium High Heap Buffer Overflow Vuln FEDORA-2026-ad5b2b6b68

fedora
Calendar Grey March 29, 2026
Dist Fedora Esm H88
Critical update for Fedora 43 Chromium fixes multiple high risks including heap overflows and out of bounds reads.
Update to 146.0.7680.164 * High CVE-2026-4673: Heap buffer overflow in WebAudio * High CVE-2026-4674: Out of bounds read in CSS * High CVE-2026-4675: Heap buffer overflow in Web...

Summary

Chromium is an open-source web browser, powered by WebKit (Blink).

Update Information:

Update to 146.0.7680.164 * High CVE-2026-4673: Heap buffer overflow in WebAudio * High CVE-2026-4674: Out of bounds read in CSS * High CVE-2026-4675: Heap buffer overflow in WebGL * High CVE-2026-4676: Use after free in Dawn * High CVE-2026-4677: Out of bounds read in WebAudio * High CVE-2026-4678: Use after free in WebGPU * High CVE-2026-4679: Integer overflow in Fonts * High CVE-2026-4680: Use after free in FedCM

Topics%20covered

Topics Covered

security advisory fedora high web browser out-of-bounds read heap buffer overflow

Change Log

* Tue Mar 24 2026 Than Ngo - 146.0.7680.164-1 - Update to 146.0.7680.164 * High CVE-2026-4673: Heap buffer overflow in WebAudio * High CVE-2026-4674: Out of bounds read in CSS * High CVE-2026-4675: Heap buffer overflow in WebGL * High CVE-2026-4676: Use after free in Dawn * High CVE-2026-4677: Out of bounds read in WebAudio * High CVE-2026-4678: Use after free in WebGPU * High CVE-2026-4679: Integer overflow in Fonts * High CVE-2026-4680: Use after free in FedCM

References

Fedora Update Notification FEDORA-2026-ad5b2b6b68 2026-03-29 00:48:39.566766+00:00 Name : chromium Product : Fedora 43 Version : 146.0.7680.164 Release : 1.fc43 URL : http://www.chromium.org/Home Summary : A WebKit (Blink) powered web browser that Google doesn't want you to use Description : Chromium is an open-source web browser, powered by WebKit (Blink).

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-ad5b2b6b68' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
critical
Lowest
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Critical

Name: chromium
Product: Fedora 43
Version: 146.0.7680.164
Release: 1.fc43
URL: http://www.chromium.org/Home
Summary: A WebKit (Blink) powered web browser that Google doesn't want you to use

Topics%20covered

Topics Covered

security advisory fedora high web browser out-of-bounds read heap buffer overflow

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