{"id":"CVE-2024-1899","summary":"Showdownjs Denial of Service","details":"An issue in the anchors subparser of Showdownjs versions \u003c= 2.1.0 could allow a remote attacker to cause denial of service conditions.\n","aliases":["GHSA-rmmh-p597-ppvv"],"modified":"2026-08-12T03:51:15.580654101Z","published":"2024-02-26T18:45:23.289Z","related":["CGA-fgx8-xp2m-j2p7"],"database_specific":{"cna_assigner":"tenable","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/1xxx/CVE-2024-1899.json"},"references":[{"type":"WEB","url":"https://www.tenable.com/security/research/tra-2024-05"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/1xxx/CVE-2024-1899.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-1899"},{"type":"PACKAGE","url":"https://github.com/showdownjs/showdown"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/showdownjs/showdown","events":[{"introduced":"0"},{"last_affected":"9958ba5cfaf01c93ea9e1a48650fb3074eff98ce"}],"database_specific":{"source":["AFFECTED_FIELD","CPE_RANGE"],"cpe":"cpe:2.3:a:showdownjs:showdown:*:*:*:*:*:node.js:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"2.1.0"}]}}],"versions":["2.1.0","2.0.4","2.0.3","2.0.2","2.0.1","2.0.0","2.0.0-alpha","1.9.1","1.9.0","1.8.7","1.8.6","1.8.5","1.8.4","1.8.3","1.8.2","1.8.1","1.8.0","1.7.6","1.7.5","1.7.4","1.7.3","1.7.2","1.7.1","1.7.0","1.6.4","1.6.3","1.6.2","1.6.1","1.6.0","1.5.5","1.5.4","1.5.3","1.5.2","1.5.1","1.5.0","1.4.4","1.4.3","1.4.2","1.4.0","1.3.0","1.2.2","1.2.1","1.2.0","1.1.0","1.0.2","1.0.1","1.0.0","0.5.1","1.0.0-alpha.2","1.0.0-alpha1","0.5.0","0.4.0","v0.3.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-1899.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}]}