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Fedora 44 python3.12 Important RCE Security Fix FEDORA-2026-05d833765a

fedora
Calendar Grey March 13, 2026
Dist Fedora Esm H88
Update for Python 3.12 addressing critical issues in Fedora 44 with multiple security fixes recommended for immediate action.
Update to 3.12.13 Security fixes for CVE-2026-1299, CVE-2026-0865, CVE-2025-15366 and CVE-2025-15367

Summary

Python 3.12 is an accessible, high-level, dynamically typed, interpreted

programming language, designed with an emphasis on code readability.

It includes an extensive standard library, and has a vast ecosystem of

third-party libraries.

The python3.12 package provides the "python3.12" executable: the reference

interpreter for the Python language, version 3.

The majority of its standard library is provided in the python3.12-libs package,

which should be installed automatically along with python3.12.

The remaining parts of the Python standard library are broken out into the

python3.12-tkinter and python3.12-test packages, which may need to be installed

separately.

Documentation for Python is provided in the python3.12-docs package.

Packages containing additional libraries for Python are generally named with

the "python3.12-" prefix.

Update Information:

Update to 3.12.13 Security fixes for CVE-2026-1299, CVE-2026-0865, CVE-2025-15366 and CVE-2025-15367

Topics%20covered

Topics Covered

security advisory security issue fedora remote code execution important python3

Change Log

* Tue Mar 3 2026 Tom\u0161 Hrn\u010diar - 3.12.13-1 - Update to 3.12.13 * Fri Feb 6 2026 Tom\u0161 Hrn\u010diar - 3.12.12-4 - Security fixes for CVE-2026-0865, CVE-2025-15366 and CVE-2025-15367

References

Fedora Update Notification FEDORA-2026-05d833765a 2026-03-13 00:15:54.963676+00:00
Name : python3.12 Product : Fedora 44 Version : 3.12.13 Release : 1.fc44 URL : https://www.python.org/ Summary : Version 3.12 of the Python interpreter Description : Python 3.12 is an accessible, high-level, dynamically typed, interpreted programming language, designed with an emphasis on code readability. It includes an extensive standard library, and has a vast ecosystem of third-party libraries.
The python3.12 package provides the "python3.12" executable: the reference interpreter for the Python language, version 3. The majority of its standard library is provided in the python3.12-libs package, which should be installed automatically along with python3.12. The remaining parts of the Python standard library are broken out into the python3.12-tkinter and python3.12-test packages, which may need to be installed separately.
Documentation for Python is provided in the python3.12-docs package.
Packages containing additional libraries for Python are generally named with the "python3.12-" prefix.

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-05d833765a' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
important
Lowest
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Critical

Name: python3.12
Product: Fedora 44
Version: 3.12.13
Release: 1.fc44
URL: https://www.python.org/
Summary: Version 3.12 of the Python interpreter

Topics%20covered

Topics Covered

security advisory security issue fedora remote code execution important python3

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