{"action":"Upgrade markdown2 to 2.4.0 or later.","affected":[{"fixed":"2.4.0","introduced":"1.0.1.18"}],"component":"markdown2","cve_ids":["CVE-2021-26813"],"ecosystem":"PyPI","epss":0.02319,"exploited":false,"fixed_versions":["2.4.0"],"ghsa_id":"GHSA-jr9p-r423-9m2r","id":"tcs_01M5KFPH901A9RXYW5SNGDXW2S","modified_at":"2025-02-21T05:30:49.729149Z","published_at":"2021-06-02T21:44:28Z","references":["https://osv.dev/vulnerability/GHSA-jr9p-r423-9m2r","https://nvd.nist.gov/vuln/detail/CVE-2021-26813","https://github.com/trentm/python-markdown2/pull/387","https://github.com/trentm/python-markdown2/commit/7b651260739647de5198323e0445b1618750c374","https://github.com/advisories/GHSA-jr9p-r423-9m2r","https://github.com/pypa/advisory-database/tree/main/vulns/markdown2/PYSEC-2021-20.yaml","https://github.com/trentm/python-markdown2","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BRP5RN35JZTSJ3JT4722F447ZDK7LZS5","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J752422YELXLMLZJPVJVKD2KKHHQRVEH","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JTIX5UXRDJZJ57DO4V33ZNJTNKWGBQLY"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-jr9p-r423-9m2r","url":"https://osv.dev/vulnerability/GHSA-jr9p-r423-9m2r"}],"summary":"markdown2 Regular Expression Denial of Service"}