Fedora 44 python3.14 Critical Security Fixes CVE-2026-1502 CVE-2026-4786
fedora
April 25, 2026
Security fixes for CVE-2026-1502, CVE-2026-4786, CVE-2026-5713, CVE-2026-6100
Summary
Python 3.14 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.
Update Information:
Security fixes for CVE-2026-1502, CVE-2026-4786, CVE-2026-5713, CVE-2026-6100
Topics Covered
Change Log
* Thu Apr 16 2026 Charalampos Stratakis
References
[ 1 ] Bug #2457944 - CVE-2026-1502 python3.14: Python: HTTP header injection via CR/LF in proxy tunnel headers [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2457944
[ 2 ] Bug #2458016 - CVE-2026-6100 python3.14: Python: Arbitrary code execution or information disclosure via use-after-free in decompression modules [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2458016
[ 3 ] Bug #2458224 - CVE-2026-4786 python3.14: Python: Arbitrary code execution via command injection in webbrowser.open() API [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2458224
[ 4 ] Bug #2458488 - CVE-2026-5713 python3.14: Python: Information disclosure and arbitrary code execution via remote debugging with a malicious process. [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2458488
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-841a2250e4' 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
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Name: python3.14
Product: Fedora 44
Version: 3.14.4
Release: 2.fc44
Summary: Version 3.14 of the Python interpreter
Topics Covered
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