Fedora 34: FEDORA-2021-3d53fe8dff moderate risk: python-markdown2 DoS

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

https://daringfireball.net/projects/markdown/

#### 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

* Sun Dec 5 2021 Thomas Moschny - 2.4.2-1

- Update to 2.4.2.

[ 1 ] Bug #2028452 - python-markdown2: Regular expression denial of service in auto linking urls

https://bugzilla.redhat.com/show_bug.cgi?id=2028452

su -c 'dnf upgrade --advisory FEDORA-2021-3d53fe8dff' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

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