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Fedora 42 harfbuzz Critical Fix for Null Pointer CVE-2026-22693

fedora
Calendar Grey January 28, 2026
Dist Fedora Esm H88
Update for Fedora 42 harfbuzz addresses CVE-2026-22693 with critical security fix and backported solutions.
Backport security fix for CVE-2026-22693 (fix RHBZ#2429278)

Summary

HarfBuzz is an implementation of the OpenType Layout engine.

Update Information:

Backport security fix for CVE-2026-22693 (fix RHBZ#2429278)

Topics%20covered

Topics Covered

security advisory fedora critical null pointer backport HarfBuzz

Change Log

* Wed Jan 14 2026 Parag Nemade - 10.4.0-2 - Backport security fix for CVE-2026-22693 (fix RHBZ#2429278)

References


[ 1 ] Bug #2429278 - CVE-2026-22693 harfbuzz: Null Pointer Dereference in harfbuzz [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2429278

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-bac983cf83' 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
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Name: harfbuzz
Product: Fedora 42
Version: 10.4.0
Release: 2.fc42
URL: https://github.com/harfbuzz/harfbuzz/
Summary: Text shaping library

Topics%20covered

Topics Covered

security advisory fedora critical null pointer backport HarfBuzz

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