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Fedora 42 Chromium Critical Heap Overflow Type Confusion CVE-2026-1861

fedora
Calendar Grey February 12, 2026
Dist Fedora Esm H88
Update for Chromium on Fedora 42 addresses critical heap overflow and type confusion, requiring immediate attention.
Update to 144.0.7559.132 * CVE-2026-1861: Heap buffer overflow in libvpx * CVE-2026-1862: Type Confusion in V8

Summary

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

Update Information:

Update to 144.0.7559.132 * CVE-2026-1861: Heap buffer overflow in libvpx * CVE-2026-1862: Type Confusion in V8

Topics%20covered

Topics Covered

security advisory fedora critical remote code execution heap overflow browser

Change Log

* Thu Feb 5 2026 Than Ngo - 144.0.7559.132-1 - Update to 144.0.7559.132 * CVE-2026-1861: Heap buffer overflow in libvpx * CVE-2026-1862: Type Confusion in V8 - Add BR on esbuild - Disable devtool bundle - Update scripts for downloading the source

References


[ 1 ] Bug #2436627 - CVE-2026-1861 chromium: Chromium: Arbitrary code execution via crafted HTML page [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2436627 [ 2 ] Bug #2436628 - CVE-2026-1861 chromium: Chromium: Arbitrary code execution via crafted HTML page [epel-all] https://bugzilla.redhat.com/show_bug.cgi?id=2436628 [ 3 ] Bug #2436629 - CVE-2026-1862 chromium: Chromium: Remote heap corruption via crafted HTML page [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2436629 [ 4 ] Bug #2436630 - CVE-2026-1862 chromium: Chromium: Remote heap corruption via crafted HTML page [epel-all] https://bugzilla.redhat.com/show_bug.cgi?id=2436630

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-e900558e56' 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 42
Version: 144.0.7559.132
Release: 1.fc42
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 critical remote code execution heap overflow browser

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