{"id":"GHSA-x6fg-f45m-jf5q","summary":"Regular Expression Denial of Service in semver","details":"Versions 4.3.1 and earlier of `semver` are affected by a regular expression denial of service vulnerability when extremely long version strings are parsed.\n\n\n\n## Recommendation\n\nUpdate to version 4.3.2 or later","aliases":["CVE-2015-8855"],"modified":"2026-03-04T15:06:31.969299Z","published":"2017-10-24T18:33:36Z","database_specific":{"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2020-06-16T22:02:25Z","nvd_published_at":"2017-01-23T21:59:00Z","cwe_ids":["CWE-1333"]},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2015-8855"},{"type":"WEB","url":"https://github.com/github/advisory-database/pull/7102"},{"type":"WEB","url":"https://github.com/npm/node-semver/commit/5c4c9f6e26c7052a42b5ced2a7481c5c9b4363a0"},{"type":"WEB","url":"https://github.com/npm/node-semver/commit/c80180d8341a8ada0236815c29a2be59864afd70"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-x6fg-f45m-jf5q"},{"type":"PACKAGE","url":"https://github.com/npm/node-semver"},{"type":"WEB","url":"https://www.npmjs.com/advisories/31"},{"type":"WEB","url":"https://www.owasp.org/index.php/Regular_expression_Denial_of_Service_-_ReDoS"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2016/04/20/11"},{"type":"WEB","url":"http://www.securityfocus.com/bid/86957"}],"affected":[{"package":{"name":"semver","ecosystem":"npm","purl":"pkg:npm/semver"},"ranges":[{"type":"SEMVER","events":[{"introduced":"1.0.4"},{"fixed":"4.3.2"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2017/10/GHSA-x6fg-f45m-jf5q/GHSA-x6fg-f45m-jf5q.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}