{"action":"Upgrade kramdown to 2.3.1 or later.","affected":[{"fixed":"2.3.1","introduced":"1.16.0"}],"component":"kramdown","cve_ids":["CVE-2021-28834"],"ecosystem":"RubyGems","epss":0.02695,"exploited":false,"fixed_versions":["2.3.1"],"ghsa_id":"GHSA-52p9-v744-mwjj","id":"tcs_01M5KEGT7JNDPHGKCQEC966CBA","modified_at":"2024-02-17T05:35:38.398887Z","published_at":"2021-03-29T16:30:34Z","references":["https://osv.dev/vulnerability/GHSA-52p9-v744-mwjj","https://nvd.nist.gov/vuln/detail/CVE-2021-28834","https://github.com/gettalong/kramdown/pull/708","https://github.com/stanhu/kramdown/commit/d6a1cbcb2caa2f8a70927f176070d126b2422760","https://github.com/stanhu/kramdown/commit/ff0218aefcf00cd5a389e17e075d36cd46d011e2","https://about.gitlab.com/releases/2021/03/17/security-release-gitlab-13-9-4-released/#remote-code-execution-via-unsafe-user-controlled-markdown-rendering-options","https://github.com/gettalong/kramdown/compare/REL_2_3_0...REL_2_3_1","https://gitlab.com/gitlab-org/gitlab/-/commit/179329b5c3c118924fb242dc449d06b4ed6ccb66","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NJCJVYHPY6LNUFM6LYZIAUIYOMVT5QGV","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://www.debian.org/security/2021/dsa-4890"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"GHSA-52p9-v744-mwjj","url":"https://osv.dev/vulnerability/GHSA-52p9-v744-mwjj"}],"summary":"Remote code execution in Kramdown"}