CVE ID:	CVE-2021-28834
Description:	Kramdown before 2.3.1 does not restrict Rouge formatters to the Rouge::Formatters namespace, and thus arbitrary classes can be instantiated.
Test IDs:	1.3.6.1.4.1.25623.1.0.818228   1.3.6.1.4.1.25623.1.0.879289   1.3.6.1.4.1.25623.1.0.818201   1.3.6.1.4.1.25623.1.0.879302   1.3.6.1.4.1.25623.1.0.879307   1.3.6.1.4.1.25623.1.1.12.2023.6424.1   1.3.6.1.4.1.25623.1.0.704890
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2021-28834 Debian Security Information: DSA-4890 (Google Search) https://www.debian.org/security/2021/dsa-4890 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/S3BBLUIDCUUR3NEE4NJLOCCAV3ALQ3O6/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SYOLQKFL6IJCQLBXV34Z4TI4O54GESPR/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NJCJVYHPY6LNUFM6LYZIAUIYOMVT5QGV/ https://github.com/gettalong/kramdown/compare/REL_2_3_0...REL_2_3_1 https://github.com/gettalong/kramdown/pull/708 https://gitlab.com/gitlab-org/gitlab/-/commit/179329b5c3c118924fb242dc449d06b4ed6ccb66