USN-5476-1: Liblouis vulnerabilities

13 June 2022

Several security issues were fixed in liblouis.

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Releases

Packages

  • liblouis - Braille translation library - utilities

Details

Han Zheng discovered that Liblouis incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a crash. This issue was
addressed in Ubuntu 21.10 and Ubuntu 22.04 LTS. (CVE-2022-26981)

It was discovered that Liblouis incorrectly handled certain inputs.
An attacker could possibly use this issue to execute arbitrary code
or cause a crash. (CVE-2022-31783)

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.

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Update instructions

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

Ubuntu 22.04
Ubuntu 21.10
Ubuntu 20.04
Ubuntu 18.04

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

References

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Further reading