Fedora 42: mingw-python3 Critical Denial Service Fix CVE-2025-12084
fedora
December 23, 2025
Backport fix for CVE-2025-12084.
Summary
MinGW Windows python3
Update Information:
Backport fix for CVE-2025-12084.
Topics Covered
Change Log
* Sun Dec 14 2025 Sandro Mani
References
[ 1 ] Bug #2421623 - CVE-2025-12084 mingw-python3: cpython: Quadratic algorithm in xml.dom.minidom leads to denial of service [fedora-42]
https://bugzilla.redhat.com/show_bug.cgi?id=2421623
[ 2 ] Bug #2421642 - CVE-2025-12084 mingw-python3: cpython: Quadratic algorithm in xml.dom.minidom leads to denial of service [fedora-43]
https://bugzilla.redhat.com/show_bug.cgi?id=2421642
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-34626c05f6' 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 42
Version: 3.11.14
Release: 4.fc42
Summary: MinGW Windows python3
Topics Covered
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