A python-eventlet security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: python-eventlet-0.31.0-1.fc34

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Fedora Update Notification
FEDORA-2021-d5915c247b
2021-05-25 01:08:24.178724
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Name : python-eventlet
Product : Fedora 34
Version : 0.31.0
Release : 1.fc34
URL :   http://eventlet.net
Summary : Highly concurrent networking library
Description :
Eventlet is a networking library written in Python. It achieves high
scalability by using non-blocking io while at the same time retaining
high programmer usability by using coroutines to make the non-blocking
io operations appear blocking at the source code level.

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Update Information:

Mitigation for CVE-2021-21419 See:
  https://github.com/eventlet/eventlet/security/advisories/GHSA-9p9m-jm8w-94p2 for
more details.
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ChangeLog:

* Sun May 16 2021 Kevin Fenzi - 0.31.0-1
- Update to 0.31.0. Fixes rhbz#1957249
- Mitigates CVE-2021-21419
* Sun Mar 7 2021 Kevin Fenzi - 0.30.2-1
- Update to 0.30.2. Fixes rhbz#1934511
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References:

[ 1 ] Bug #1958408 - CVE-2021-21419 python-eventlet: improper handling of highly compressed data and memory allocation with excessive size allows DoS [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1958408
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-d5915c247b' 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