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kritisch

CVE-2021-28834

rubygem-kramdown: allows arbitrary classes to be instantiated

Veröffentlicht Geändert
In der Trivy Database seit spätestens 24. Okt. 2026, 07:11 UTCWann der Eintrag vor diesem Build hinzukam, ist nicht erfasst.

Einstufung nach Quelle

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GHSA9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivys eigenes Label ist CRITICAL. Kritisch laut NVD, Ruby Advisory DB. Niedriger laut GHSA (hoch), Red Hat (mittel), Ubuntu (mittel).

Beschreibung

Kramdown before 2.3.1 does not restrict Rouge formatters to the Rouge::Formatters namespace, and thus arbitrary classes can be instantiated.

Betroffene Pakete und behobene Versionen

QuellePaketBehoben in
rubygems::Ruby Advisory Databasekramdown>= 2.3.1
debian 10ruby-kramdown1.17.0-1+deb10u2
debian 11ruby-kramdown2.3.0-5
debian 12ruby-kramdown2.3.0-5
debian 13ruby-kramdown2.3.0-5
debian 14ruby-kramdown2.3.0-5
echoruby-kramdown2.3.0-5
rubygems::GitHub Security Advisory RubyGemskramdown2.3.1
ubuntu 20.04ruby-kramdown1.17.0-4ubuntu0.2
ubuntu 20.04-ESMruby-kramdown1.17.0-4ubuntu0.2

Referenzen

Alle 18 Referenzen

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.