A rubygem-kramdown security update has been released for Fedora 32.

SECURITY: Fedora 32 Update: rubygem-kramdown-2.1.0-5.fc32

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Fedora Update Notification
FEDORA-2021-edc673e864
2021-03-30 14:30:22.203386
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Name : rubygem-kramdown
Product : Fedora 32
Version : 2.1.0
Release : 5.fc32
URL :   http://kramdown.rubyforge.org
Summary : Fast, pure-Ruby Markdown-superset converter
Description :
kramdown is yet-another-markdown-parser but fast, pure Ruby,
using a strict syntax definition and supporting several common extensions.

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Update Information:

A possible security related issue is found on rubygem-kramdown where kramdown
does not restrict custom Rouge formatters within Rouge::Formatters namespace.
This issue is now assigned as CVE-2021-28834. This new rpm should fix this
issue.
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ChangeLog:

* Sun Mar 21 2021 Mamoru TASAKA - 2.1.0-5
- Apply upstream fix for CVE-2021-28834 (rouge formatter namespace restriction)
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References:

[ 1 ] Bug #1941045 - CVE-2021-28834 rubygem-kramdown: allows arbitrary classes to be instantiated [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1941045
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-edc673e864' 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