Fedora 42 python3.13 Important Command Injection Threats 2026-b1b37b00ef
fedora
February 28, 2026
Update to 3.13.12
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 3.13.12
Topics Covered
Change Log
* Wed Feb 4 2026 Tom\u0161 Hrn\u010diar
References
[ 1 ] Bug #2431618 - CVE-2025-15366 python3.13: IMAP command injection in user-controlled commands [fedora-42]
https://bugzilla.redhat.com/show_bug.cgi?id=2431618
[ 2 ] Bug #2431642 - CVE-2025-15367 python3.13: POP3 command injection in user-controlled commands [fedora-42]
https://bugzilla.redhat.com/show_bug.cgi?id=2431642
[ 3 ] Bug #2431767 - CVE-2025-11468 python3.13: Missing character filtering in Python [fedora-42]
https://bugzilla.redhat.com/show_bug.cgi?id=2431767
[ 4 ] Bug #2431792 - CVE-2026-0672 python3.13: Header injection in http.cookies.Morsel in Python [fedora-42]
https://bugzilla.redhat.com/show_bug.cgi?id=2431792
[ 5 ] Bug #2431797 - CVE-2026-0865 python3.13: wsgiref.headers.Headers allows header newline injection in Python [fedora-42]
https://bugzilla.redhat.com/show_bug.cgi?id=2431797
[ 6 ] Bug #2431812 - CVE-2025-15282 python3.13: Header injection via newlines in data URL mediatype in Python [fedora-42]
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Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-b1b37b00ef' 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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Severity
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Name: python3.13
Product: Fedora 42
Version: 3.13.12
Release: 1.fc42
Summary: Version 3.13 of the Python interpreter
Topics Covered
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