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Ubuntu 24.04 LTS, USN-7632-1 critical: libyaml-libyaml-perl file overwrite

ubuntu
Calendar Grey July 9, 2025
Scroller Ubuntu
Essential patch for Ubuntu targeting security vulnerabilities in libyaml-libyaml-perl, impacting various LTS editions.
YAML-LibYAML could be made to overwrite files.

Summary

YAML-LibYAML could be made to overwrite files.

Software Description:

- libyaml-libyaml-perl: Perl interface to libyaml, a YAML implementation

Details:

It was discovered that YAML-LibYAML incorrectly handled certain file

names. An attacker could possibly use this issue to overwrite arbitrary

files.

Topics%20covered

Topics Covered

security advisory critical file overwrite Ubuntu system update libyaml-libyaml-perl

Update Instructions

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

Ubuntu 24.04 LTS
  libyaml-libyaml-perl            0.89+ds-1ubuntu0.24.04.1

Ubuntu 22.04 LTS
  libyaml-libyaml-perl            0.83+ds-1ubuntu0.22.04.1

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

References

https://ubuntu.com/security/notices/USN-7632-1

CVE-2025-40908

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7632-1

Topics%20covered

Topics Covered

security advisory critical file overwrite Ubuntu system update libyaml-libyaml-perl

Package Information

https://launchpad.net/ubuntu/+source/libyaml-libyaml-perl/0.89+ds-1ubuntu0.24.04.1
https://launchpad.net/ubuntu/+source/libyaml-libyaml-perl/0.83+ds-1ubuntu0.22.04.1

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