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Critical Security Fix for Python-Pydantic-Settings in Fedora 43 and 44

Critical Security Fix for Python-Pydantic-Settings in Fedora 43 and 44

First seen 29 Jun 2026, 05:04 UTC • •
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ThreatCluster AI
ThreatCluster •June 30, 2026 at 03:14 UTC
  • •Critical vulnerability GHSA-4xgf-cpjx affects Fedora 43 and 44 systems.
  • •Updates to python-pydantic-settings include version 2.14.2-1, released on June 19, 2026.
  • •System administrators are urged to apply the updates using the 'dnf' command.

Fedora has issued important security updates for the python-pydantic-settings package due to a critical vulnerability identified as GHSA-4xgf-cpjx. This vulnerability affects Fedora 43 and 44 systems and could potentially be exploited by attackers. The updates, released on June 19, 2026, include version 2.14.2-1, which addresses the issue and closes Bug #2490754. Users are advised to upgrade their systems using the 'dnf' update program to mitigate risks. The vulnerability was confirmed by Benjamin A. Beasley, the maintainer, and is critical enough to warrant immediate attention from system administrators. The updates are essential for maintaining the security of applications relying on this package.

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Updated 102d ago How this analysis works

Timeline

2026-06-04
Rebuild for Python 3.15
The python-pydantic-settings package was rebuilt to support Python 3.15.
Linuxsecurity
2026-06-19
Update to version 2.14.2-1 released
Fedora released version 2.14.2-1 to fix the critical vulnerability GHSA-4xgf-cpjx.
Linuxsecurity
2026-06-28
Fedora 44 advisory published
An advisory for Fedora 44 regarding the same critical vulnerability was published.
Linuxsecurity

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