USN-7632-1: YAML-LibYAML vulnerability

Publication date

9 July 2025

Overview

YAML-LibYAML could be made to overwrite files.


Packages

Details

It was discovered that YAML-LibYAML incorrectly handled certain file
names. An attacker could possibly use this issue to overwrite arbitrary
files.

It was discovered that YAML-LibYAML incorrectly handled certain file
names. An attacker could possibly use this issue to overwrite arbitrary
files.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
24.04 noble libyaml-libyaml-perl –  0.89+ds-1ubuntu0.24.04.1
22.04 jammy libyaml-libyaml-perl –  0.83+ds-1ubuntu0.22.04.1

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