USN-5524-1: HarfBuzz vulnerability

19 July 2022

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

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Releases

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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 22.04
Ubuntu 20.04

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

References

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Further reading