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Fedora 43: Chromium High CVE-2025-14765/14766 Heap Corruption Advisory

fedora
Calendar Grey December 20, 2025
Dist Fedora Esm H88
Critical Chromium vulnerabilities fixed in Fedora 43 update with high severity threats leading to heap corruption issues.
Update to 143.0.7499.146 * High CVE-2025-14765: Use after free in WebGPU * High CVE-2025-14766: Out of bounds read and write in V8 * Force dark mode when auto dark mode web cont...

Summary

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

Update Information:

Update to 143.0.7499.146 * High CVE-2025-14765: Use after free in WebGPU * High CVE-2025-14766: Out of bounds read and write in V8 * Force dark mode when auto dark mode web content is on

Topics%20covered

Topics Covered

security advisory fedora high out-of-bounds use-after-free Chromium

Change Log

* Wed Dec 17 2025 Than Ngo - 143.0.7499.146-1 - Update to 143.0.7499.146 * High CVE-2025-14765: Use after free in WebGPU * High CVE-2025-14766: Out of bounds read and write in V8 - Force dark mode when auto dark mode web content is on - Remove omnibox-next-Improve-cutout-mouse-handling-for-Wayla patch, as it's merged

References


[ 1 ] Bug #2423106 - CVE-2025-14765 chromium: Chromium: Use after free in WebGPU allows remote attacker to exploit heap corruption [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2423106 [ 2 ] Bug #2423107 - CVE-2025-14765 chromium: Chromium: Use after free in WebGPU allows remote attacker to exploit heap corruption [epel-all] https://bugzilla.redhat.com/show_bug.cgi?id=2423107 [ 3 ] Bug #2423110 - CVE-2025-14766 chromium: Google Chrome V8: Out-of-bounds read and write leads to heap corruption [epel-all] https://bugzilla.redhat.com/show_bug.cgi?id=2423110 [ 4 ] Bug #2423111 - CVE-2025-14766 chromium: Google Chrome V8: Out-of-bounds read and write leads to heap corruption [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2423111

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-cd7567466d' 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
Low
Medium
High
Critical

Name: chromium
Product: Fedora 43
Version: 143.0.7499.146
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 out-of-bounds use-after-free Chromium

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