{"id":"CVE-2021-23490","details":"The package parse-link-header before 2.0.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the checkHeader function.","aliases":["GHSA-q674-xm3x-2926"],"modified":"2026-07-08T23:58:49.990514Z","published":"2021-12-24T20:15:08.013Z","related":["SNYK-JAVA-ORGWEBJARSNPM-2321973","SNYK-JS-PARSELINKHEADER-1582783"],"references":[{"type":"FIX","url":"https://github.com/thlorenz/parse-link-header/commit/72f05c717b3f129c5331a07bf300ed8886eb8ae1"},{"type":"FIX","url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2321973"},{"type":"FIX","url":"https://snyk.io/vuln/SNYK-JS-PARSELINKHEADER-1582783"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/thlorenz/parse-link-header","events":[{"introduced":"0"},{"fixed":"a7d59b6b44819a261c936b2374b792aa10ce3f2e"},{"fixed":"72f05c717b3f129c5331a07bf300ed8886eb8ae1"}],"database_specific":{"cpe":"cpe:2.3:a:parse-link-header_project:parse-link-header:*:*:*:*:*:node.js:*:*","extracted_events":[{"introduced":"0"},{"fixed":"2.0.0"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["v1.0.1","v1.0.0","v0.4.1","v0.4.0","v0.3.0","v0.2.1","v0.2.0","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-23490.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}