USN-7251-1: HarfBuzz vulnerability

3 February 2025

HarfBuzz could be made to consume resources if it opened a specially crafted font.

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Releases

Packages

  • harfbuzz - OpenType text shaping engine

Details

It was discovered that HarfBuzz incorrectly handled shaping certain fonts.
A remote attacker could possibly use this issue to cause HarfBuzz to
consume resources, leading to 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

In general, a standard system update will make all the necessary changes.

References

Related notices

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Further reading