A python39 security update has been released for Fedora 31.

SECURITY: Fedora 31 Update: python39-3.9.0~b4-1.fc31

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Fedora Update Notification
FEDORA-2020-b513391ca8
2020-07-17 01:04:26.705928
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Name : python39
Product : Fedora 31
Version : 3.9.0~b4
Release : 1.fc31
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 a newer
version of Python. This is not a full Python stack and if you wish to run
your applications with Python 3.9, update your Fedora to a newer
version once Python 3.9 is stable.

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Update Information:

Update to 3.9.0b4
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ChangeLog:

* Sat Jul 4 2020 Tomas Hrnciar - 3.9.0~b4-1
- Update to 3.9.0b4
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References:

[ 1 ] Bug #1854943 - CVE-2020-14422 python39: python: DoS via inefficiency in IPv{4,6}Interface classes [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1854943
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-b513391ca8' 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

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