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Fedora 43: HarfBuzz Important Null Pointer Fix CVE-2026-22693

fedora
Calendar Grey January 16, 2026
Dist Fedora Esm H88
HarfBuzz in Fedora 43 receives an important security fix for CVE-2026-22693 addressing a null pointer issue.
Backport security fix for CVE-2026-22693 (fix RHBZ#2429288)

Summary

HarfBuzz is an implementation of the OpenType Layout engine.

Update Information:

Backport security fix for CVE-2026-22693 (fix RHBZ#2429288)

Topics%20covered

Topics Covered

security advisory security issue fedora important NULL pointer dereference HarfBuzz

Change Log

* Wed Jan 14 2026 Parag Nemade - 11.5.1-2 - Backport security fix for CVE-2026-22693 (fix RHBZ#2429288)

References


[ 1 ] Bug #2429288 - CVE-2026-22693 harfbuzz: Null Pointer Dereference in harfbuzz [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2429288

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-b38fe572ef' 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
important
Lowest
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Critical

Name: harfbuzz
Product: Fedora 43
Version: 11.5.1
Release: 2.fc43
URL: https://github.com/harfbuzz/harfbuzz/
Summary: Text shaping library

Topics%20covered

Topics Covered

security advisory security issue fedora important NULL pointer dereference HarfBuzz

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