{"id":"CVE-2021-23364","details":"The package browserslist from 4.0.0 and before 4.16.5 are vulnerable to Regular Expression Denial of Service (ReDoS) during parsing of queries.","aliases":["GHSA-w8qv-6jwh-64r5"],"modified":"2026-07-15T06:19:13.785393Z","published":"2021-04-28T16:15:08.133Z","related":["CGA-6hrx-9cj4-59h7","SNYK-JAVA-ORGWEBJARSNPM-1277182","SNYK-JS-BROWSERSLIST-1090194"],"references":[{"type":"WEB","url":"https://github.com/browserslist/browserslist/blob/e82f32d1d4100d6bc79ea0b6b6a2d281a561e33c/index.js%23L472-L474"},{"type":"ADVISORY","url":"https://github.com/browserslist/browserslist/pull/593"},{"type":"FIX","url":"https://github.com/browserslist/browserslist/commit/c091916910dfe0b5fd61caad96083c6709b02d98"},{"type":"FIX","url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1277182"},{"type":"FIX","url":"https://snyk.io/vuln/SNYK-JS-BROWSERSLIST-1090194"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/browserslist/browserslist","events":[{"introduced":"2a66017404213d054c39bfdf75e8d34ebe278cac"},{"fixed":"7cc2aedd0047d800d44aa0259c02b6db1414105c"},{"fixed":"c091916910dfe0b5fd61caad96083c6709b02d98"}],"database_specific":{"cpe":"cpe:2.3:a:browserslist_project:browserslist:*:*:*:*:*:node.js:*:*","extracted_events":[{"introduced":"4.0.0"},{"fixed":"4.16.5"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["4.16.4","4.16.3","4.16.2","4.16.1","4.16.0","4.15.0","4.14.7","4.14.6","4.14.5","4.14.4","4.14.3","4.14.2","4.14.1","4.14.0","4.13.0","4.12.2","4.12.1","4.12.0","4.11.1","4.11.0","4.10.0","4.9.1","4.9.0","4.8.7","4.8.6","4.8.5","4.8.4","4.8.3","4.8.2","4.8.1","4.8.0","4.7.3","4.7.2","4.7.1","4.7.0","4.6.6","4.6.5","4.6.4","4.6.3","4.6.2","4.6.1","4.6.0","4.5.6","4.5.5","4.5.3","4.5.2","4.5.1","4.5.0","4.4.2","4.4.1","4.4.0","4.3.7","4.3.6","4.3.5","4.3.3","4.3.2","4.3.1","4.3.0","4.2.1","4.2.0","4.1.2","4.1.1","4.1.0","4.0.2","4.0.1","4.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-23364.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:L"}]}