A python-markdown2 security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: python-markdown2-2.4.2-1.fc34

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Fedora Update Notification
FEDORA-2021-3d53fe8dff
2021-12-14 00:55:44.739018
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Name : python-markdown2
Product : Fedora 34
Version : 2.4.2
Release : 1.fc34
URL :   https://github.com/trentm/python-markdown2/
Summary : A fast and complete Python implementation of Markdown
Description :
Markdown is a text-to-HTML filter; it translates an easy-to-read /
easy-to-write structured text format into HTML. Markdown's text format
is most similar to that of plain text email, and supports features
such as headers, emphasis, code blocks, blockquotes, and links.

This is a fast and complete Python implementation of the Markdown
spec.

For information about markdown itself, see
  http://daringfireball.net/projects/markdown/

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Update Information:

#### python-markdown2 2.4.2 #### - [pull #408] Fix for fenced code blocks issue
#396 - [pull #410] Be more strict on auto linking urls, RE DOS fix
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ChangeLog:

* Sun Dec 5 2021 Thomas Moschny - 2.4.2-1
- Update to 2.4.2.
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References:

[ 1 ] Bug #2028452 - python-markdown2: Regular expression denial of service in auto linking urls
  https://bugzilla.redhat.com/show_bug.cgi?id=2028452
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-3d53fe8dff' 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
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