{"id":"UBUNTU-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.","modified":"2025-10-24T04:50:08Z","published":"2021-04-28T16:15:00Z","upstream":["CVE-2021-23364"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-23364"},{"type":"REPORT","url":"https://github.com/browserslist/browserslist/commit/c091916910dfe0b5fd61caad96083c6709b02d98"},{"type":"REPORT","url":"https://snyk.io/vuln/SNYK-JS-BROWSERSLIST-1090194"},{"type":"REPORT","url":"https://github.com/browserslist/browserslist/pull/593"},{"type":"REPORT","url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1277182"},{"type":"REPORT","url":"https://github.com/browserslist/browserslist/blob/e82f32d1d4100d6bc79ea0b6b6a2d281a561e33c/index.js%23L472-L474"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-23364"}],"affected":[{"package":{"name":"node-browserslist","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/node-browserslist@2.11.3-1build4?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.11.3-1","2.11.3-1build3","2.11.3-1build4"],"ecosystem_specific":{"binaries":[{"binary_name":"node-browserslist","binary_version":"2.11.3-1build4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-23364.json"}},{"package":{"name":"node-browserslist","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/node-browserslist@2.11.3-1build4?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.11.3-1build4"],"ecosystem_specific":{"binaries":[{"binary_version":"2.11.3-1build4","binary_name":"node-browserslist"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-23364.json"}},{"package":{"name":"node-browserslist","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/node-browserslist@4.19.3+~cs5.1.3-1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.16.3+~cs5.4.72-3","4.17.0+~cs5.6.76-1","4.18.1+~cs5.1.2-1","4.19.1+~cs5.1.2-1","4.19.1+repack+~cs5.1.2-2","4.19.3+~cs5.1.3-1"],"ecosystem_specific":{"binaries":[{"binary_name":"node-browserslist","binary_version":"4.19.3+~cs5.1.3-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-23364.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]}