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Fedora 41: FEDORA-2025-cebde6a6e3 critical: python3.9 DoS and bypass issues

fedora
Calendar Grey June 13, 2025
Dist Fedora Esm H88
The latest update for Fedora 41 has upgraded Python 3.9, tackling several serious vulnerabilities such as denial-of-service (DoS) risks. Ensure your system is protected.
Update to 3.9.23

Summary

Python 3.9 package for developers.

This package exists to allow developers to test their code against an older

version of Python. This is not a full Python stack and if you wish to run

your applications with Python 3.9, see other distributions

that support it, such as CentOS or RHEL or older Fedora releases.

Update Information:

Update to 3.9.23. gh-135034: [CVE 2024-12718] [CVE 2025-4138] [CVE 2025-4330] [CVE 2025-4435] [CVE 2025-4517] Fixes multiple issues that allowed tarfile extraction filters (filter="data" and filter="tar") to be bypassed using crafted symlinks and hard links. gh-133767: Fix use-after-free in the “unicode-escape” decoder with a non-“strict” error handler. gh-128840: Short-circuit the processing of long IPv6 addresses early in ipaddress to prevent excessive memory consumption and a minor denial-of-service. gh-80222: Folding of quoted string in display_name violates RFC.

Topics%20covered

Topics Covered

security advisory denial of service security issue fedora critical python3.9

Change Log

* Wed Jun 4 2025 Tomáš Hrnčiar - 3.9.23-1 - Update to 3.9.23

References

Fedora Update Notification FEDORA-2025-cebde6a6e3 2025-06-13 01:33:33.927741+00:00
Name : python3.9 Product : Fedora 41 Version : 3.9.23 Release : 1.fc41 URL : https://www.python.org/ Summary : Version 3.9 of the Python interpreter Description : Python 3.9 package for developers.
This package exists to allow developers to test their code against an older version of Python. This is not a full Python stack and if you wish to run your applications with Python 3.9, see other distributions that support it, such as CentOS or RHEL or older Fedora releases.

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-cebde6a6e3' 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
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Name: python3.9
Product: Fedora 41
Version: 3.9.23
Release: 1.fc41
URL: https://www.python.org/
Summary: Version 3.9 of the Python interpreter

Topics%20covered

Topics Covered

security advisory denial of service security issue fedora critical python3.9

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