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Ubuntu 25.10 jaraco.context Critical File Overwrite Threat USN-7979-1

ubuntu
Calendar Grey January 27, 2026
Dist Ubuntu Esm H88
A critical file overwriting flaw in jaraco.context impacts Ubuntu 25.10. Immediate updates required to ensure security.
jaraco.context could be made to overwrite files.

Summary

jaraco.context could be made to overwrite files.

Software Description:

- jaraco.context: context managers extending functionality of Python's contextlib

Details:

It was discovered that jaraco.context incorrectly handled certain zip file

paths. An attacker could possibly use this issue to extract arbitrary files

outside of the intented extraction directory.

Topics%20covered

Topics Covered

security advisory critical Ubuntu file overwriting arbitrary file access jaraco.context

Update Instructions

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

Ubuntu 25.10
  python3-jaraco.context          6.0.1-1ubuntu0.1

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

References

https://ubuntu.com/security/notices/USN-7979-1

CVE-2026-23949

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7979-1

Topics%20covered

Topics Covered

security advisory critical Ubuntu file overwriting arbitrary file access jaraco.context

Package Information

https://launchpad.net/ubuntu/+source/jaraco.context/6.0.1-1ubuntu0.1

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