[SECURITY] Fedora 33 Update: rubygem-kramdown-2.2.1-10.fc33
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Fedora Update Notification
FEDORA-2021-4c57a892d1
2021-03-30 14:30:27.146226
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Name : rubygem-kramdown
Product : Fedora 33
Version : 2.2.1
Release : 10.fc33
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 <mtasaka(a)fedoraproject.org> - 2.2.1-10
- 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-2021-4c57a892d1' 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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