Ubuntu Security Notices
USN-5524-1

USN-5524-1: HarfBuzz vulnerability

Publication date

19 July 2022

Overview

HarfBuzz could be made to crash if it opened specially crafted data.

Releases

22.04 LTS 20.04 LTS

Packages

harfbuzz - OpenType text shaping engine

Details

It was discovered that HarfBuzz incorrectly handled certain glyph sizes. A
remote attacker could use this issue to cause HarfBuzz to crash, resulting
in a denial of service.

Update instructions

After a standard system update you need to restart your session to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release	Package Version
22.04 jammy	libharfbuzz0b – 2.7.4-1ubuntu3.1
20.04 focal	libharfbuzz0b – 2.6.4-1ubuntu4.2

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References

CVE-2022-33068

CVE-2022-33068