Fedora 43 mingw-python3 Essential Security Patch 2026-b7d0a9aefc
fedora
February 18, 2026
Backport fixes for CVE-2025-11468, CVE-2026-0672, CVE-2026-0865, CVE-2025-15282, CVE-2026-1299
Summary
MinGW Windows python3
Update Information:
Backport fixes for CVE-2025-11468, CVE-2026-0672, CVE-2026-0865, CVE-2025-15282, CVE-2026-1299
Topics Covered
Change Log
* Mon Feb 9 2026 Sandro Mani
References
[ 1 ] Bug #2431752 - CVE-2025-11468 mingw-python3: Missing character filtering in Python [fedora-42]
https://bugzilla.redhat.com/show_bug.cgi?id=2431752
[ 2 ] Bug #2431762 - CVE-2026-0672 mingw-python3: Header injection in http.cookies.Morsel in Python [fedora-42]
https://bugzilla.redhat.com/show_bug.cgi?id=2431762
[ 3 ] Bug #2431781 - CVE-2026-0865 mingw-python3: wsgiref.headers.Headers allows header newline injection in Python [fedora-42]
https://bugzilla.redhat.com/show_bug.cgi?id=2431781
[ 4 ] Bug #2431790 - CVE-2025-15282 mingw-python3: Header injection via newlines in data URL mediatype in Python [fedora-42]
https://bugzilla.redhat.com/show_bug.cgi?id=2431790
[ 5 ] Bug #2431806 - CVE-2025-11468 mingw-python3: Missing character filtering in Python [fedora-43]
https://bugzilla.redhat.com/show_bug.cgi?id=2431806
[ 6 ] Bug #2431817 - CVE-2026-0672 mingw-python3: Header injection in http.cookies.Morsel in Python [fedora-...
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-e0c0434efb' 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: mingw-python3
Product: Fedora 43
Version: 3.11.14
Release: 7.fc43
Summary: MinGW Windows python3
Topics Covered
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