Sicherheit: Mangelnde Eingabeprüfung in rubygem-kramdown
Aktuelle Meldungen Distributionen
Name: Mangelnde Eingabeprüfung in rubygem-kramdown
ID: FEDORA-2021-139a6a2f9d
Distribution: Fedora
Plattformen: Fedora 34
Datum: Fr, 26. März 2021, 19:09
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28834
Applikationen: rubygem-kramdown


Fedora Update Notification
2021-03-26 00:15:07.081055

Name : rubygem-kramdown
Product : Fedora 34
Version : 2.3.1
Release : 1.fc34
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.

Update Information:

New version 2.3.1 is released. Note that a possible security related issue is
found on the previous version of 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.

* Sun Mar 21 2021 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.3.0-1
- 2.3.1
* Sun Mar 21 2021 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.3.0-3
- Apply upstream fix for CVE-2021-28834 (rouge formatter namespace restriction)

[ 1 ] Bug #1941045 - CVE-2021-28834 rubygem-kramdown: allows arbitrary
classes to be instantiated [fedora-all]

This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-139a6a2f9d' at the command
line. For more information, refer to the dnf documentation available at

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