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Unscored USN-4552-3 1 CVE

pam-python regression

Published Oct 28, 2020 · Updated Feb 10, 2026

Summary

USN-4552-1 and USN-4552-2 fixed a vulnerability in Pam-python. The update
introduced a regression which prevented PAM modules written in Python from
importing python modules from site-specific directories.

We apologize for the inconvenience.

Original advisory details:

Malte Kraus discovered that Pam-python mishandled certain environment variables.
A local attacker could potentially use this vulnerability to execute programs
as root.

Fixed packages 2

ReleasePackageFixed in
Ubuntu · 16.04 LTS 16.04:LTS pam-python 1.0.4-1.1+deb8u1ubuntu0.1
Ubuntu · 18.04 LTS 18.04:LTS pam-python 1.0.6-1.1+deb10u1ubuntu0.1

Vulnerabilities 1

References

  • report
    https://ubuntu.com/security/CVE-2019-16729