USN-5996-1: Liblouis vulnerabilities

Releases

• Ubuntu 22.10
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• liblouis - Braille translation library - utilities

Details

It was discovered that Liblouis incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2023-26767, CVE-2023-26768, CVE-2023-26769)

Update instructions

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

Ubuntu 22.10

• liblouis20 - 3.22.0-2ubuntu0.1
• liblouis-bin - 3.22.0-2ubuntu0.1

Ubuntu 22.04

• liblouis20 - 3.20.0-2ubuntu0.2
• liblouis-bin - 3.20.0-2ubuntu0.2

Ubuntu 20.04

• liblouis20 - 3.12.0-3ubuntu0.2
• liblouis-bin - 3.12.0-3ubuntu0.2

Ubuntu 18.04

• liblouis-bin - 3.5.0-1ubuntu0.5
• python-louis - 3.5.0-1ubuntu0.5

Ubuntu 16.04

• liblouis9 - 2.6.4-2ubuntu0.4+esm1
  Available with Ubuntu Pro
• liblouis-bin - 2.6.4-2ubuntu0.4+esm1
  Available with Ubuntu Pro

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

References

• CVE-2023-26769
• CVE-2023-26768
• CVE-2023-26767

Related notices

• USN-5996-2: liblouis-dev, python3-louis, liblouis-bin, liblouis-data, liblouis, liblouis20