[USN-5524-1] HarfBuzz vulnerability


========================================================================== Ubuntu Security Notice USN-5524-1 July 19, 2022
harfbuzz vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 22.04 LTS – Ubuntu 20.04 LTS
Summary:
HarfBuzz could be made to crash if it opened specially crafted data.
Software Description: – 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:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 22.04 LTS: libharfbuzz0b 2.7.4-1ubuntu3.1
Ubuntu 20.04 LTS: libharfbuzz0b 2.6.4-1ubuntu4.2
After a standard system update you need to restart your session to make all the necessary changes.
References: ubuntu.com/security/notices/USN-5524-1 CVE-2022-33068
Package Information: launchpad.net/ubuntu/+source/harfbuzz/2.7.4-1ubuntu3.1 launchpad.net/ubuntu/+source/harfbuzz/2.6.4-1ubuntu4.2