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Fedora 42 python3.13 Critical Security Advisory FEDORA-2026-13c6899032

fedora
Calendar Grey April 28, 2026
Dist Fedora Esm H88
Python 3.13 security advisory released with several critical fixes and patch information for Fedora 42 users regarding multiple issues.
Update to 3.13.13

Summary

Python 3.13 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:

Update to 3.13.13

Topics%20covered

Topics Covered

security advisory fedora information disclosure bypass python3.13 execution integrity

Change Log

* Wed Apr 8 2026 Tom\u0161 Hrn\u010diar - 3.13.13-1 - Update to 3.13.13

References


[ 1 ] Bug #2444706 - CVE-2026-2297 python3.13: CPython: Logging Bypass in Legacy .pyc File Handling [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2444706 [ 2 ] Bug #2448190 - CVE-2026-3644 python3.13: Incomplete control character validation in http.cookies [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2448190 [ 3 ] Bug #2448206 - CVE-2026-4224 python3.13: Stack overflow parsing XML with deeply nested DTD content models [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2448206 [ 4 ] Bug #2449258 - CVE-2026-3479 python3.13: Python pkgutil.get_data(): Path Traversal via improper resource argument validation [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2449258

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-13c6899032' 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: python3.13
Product: Fedora 42
Version: 3.13.13
Release: 1.fc42
URL: https://www.python.org/
Summary: Version 3.13 of the Python interpreter

Topics%20covered

Topics Covered

security advisory fedora information disclosure bypass python3.13 execution integrity

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