Fedora alert FEDORA-2026-975a15098b (python3.9)

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[SECURITY] Fedora 43 Update: python3.9-3.9.25-3.fc43
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Sat, 24 Jan 2026 01:42:04 +0000
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<20260124014204.4C8F68BDB4@bastion01.rdu3.fedoraproject.org>
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Article
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Fedora Update Notification
FEDORA-2026-975a15098b
2026-01-24 01:41:37.895567+00:00
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Name        : python3.9
Product     : Fedora 43
Version     : 3.9.25
Release     : 3.fc43
URL         : https://www.python.org/
Summary     : Version 3.9 of the Python interpreter
Description :
Python 3.9 package for developers.

This package exists to allow developers to test their code against an older
version of Python. This is not a full Python stack and if you wish to run
your applications with Python 3.9, see other distributions
that support it, such as CentOS or RHEL or older Fedora releases.

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Update Information:

Security fix for CVE-2025-12084
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ChangeLog:

* Wed Jan 14 2026 Lumír Balhar <lbalhar@redhat.com> - 3.9.25-3
- Security fix for CVE-2025-12084
* Mon Nov 10 2025 Tomas Orsava <torsava@redhat.com> - 3.9.25-2
- Move _sysconfigdata_d_linux*.py to the debug subpackage
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References:

  [ 1 ] Bug #2422522 - CVE-2025-12084 python3.9: cpython: Quadratic algorithm in xml.dom.minidom
leads to denial of service [fedora-43]
        https://bugzilla.redhat.com/show_bug.cgi?id=2422522
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2026-975a15098b' at the command
line. For more information, refer to the dnf documentation available at
http://dnf.readthedocs.io/en/latest/command_ref.html#upgr...

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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