{"id":"CVE-2018-7651","aliases":["DEBIAN-CVE-2018-7651","EUVD-2018-0168","GHSA-325j-24f4-qv5x","UBUNTU-CVE-2018-7651"],"status":"published","title":"Regular Expression Denial of Service in ssri","description":"index.js in the ssri module before 5.2.2 for Node.js is prone to a regular expression denial of service vulnerability in strict mode functionality via a long base64 hash string.","severity":{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01714,"percentile":0.77527,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400"],"published":"2018-03-04T01:00:00Z","modified":"2026-10-24T10:50:33Z","fixes":[{"ecosystem":"npm","package":"ssri","fixed_in":["5.2.2"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"node-ssri","fixed_in":["5.2.4-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"node-ssri","fixed_in":["5.2.4-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"node-ssri","fixed_in":["5.2.4-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"ssri","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.2.2"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"node-ssri","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.2.4-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"node-ssri","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.2.4-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"node-ssri","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.2.4-1"}]}]},{"source":"osv","ecosystem":"npm","package":"ssri","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"5.2.2"}]}]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"node-ssri","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.0.0-1"]}],"products":[{"vendor":"ssri_project","product":"ssri"}],"references":[{"url":"https://github.com/zkat/ssri/commit/d0ebcdc22cb5c8f47f89716d08b3518b2485d65d","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","fix","web","report"]},{"url":"https://github.com/zkat/ssri/issues/10","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web","report"]},{"url":"https://nodesecurity.io/advisories/565","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-7651","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-325j-24f4-qv5x","tags":["advisory"]},{"url":"https://www.npmjs.com/advisories/565","tags":["web"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-7651","tags":["advisory"]},{"url":"https://github.com/zkat/ssri","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2018-7651","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-7651","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-7651","description":"index.js in the ssri module before 5.2.2 for Node.js is prone to a regular expression denial of service vulnerability in strict mode functionality via a long base64 hash string.","status":"published","published":"2018-03-04T01:00:00Z","modified":"2024-09-16T22:25:51.602Z","updated_at":"2026-11-02T14:35:09.908186Z"}],"euvd":[{"id":"EUVD-2018-0168","description":"index.js in the ssri module before 5.2.2 for Node.js is prone to a regular expression denial of service vulnerability in strict mode functionality via a long base64 hash string.","status":"published","published":"2018-03-04T01:00:00Z","modified":"2024-09-16T22:25:51Z","updated_at":"2026-11-03T00:55:02.946444Z"}],"ghsa":[{"id":"GHSA-325j-24f4-qv5x","title":"Regular Expression Denial of Service in ssri","description":"Version of `ssri` prior to 5.2.2 are vulnerable to regular expression denial of service (ReDoS) when using strict mode.\n\n\n## Recommendation\n\nUpdate to version 5.2.2 or later.","status":"published","published":"2018-03-07T22:22:20Z","modified":"2023-01-09T05:02:42Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:36:03.768255Z"}],"nvd":[{"id":"CVE-2018-7651","description":"index.js in the ssri module before 5.2.2 for Node.js is prone to a regular expression denial of service vulnerability in strict mode functionality via a long base64 hash string.","status":"published","published":"2018-03-04T01:29:00.347Z","modified":"2026-06-17T02:03:28.777Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:04:23.783914Z"}],"osv":[{"id":"CVE-2018-7651","description":"index.js in the ssri module before 5.2.2 for Node.js is prone to a regular expression denial of service vulnerability in strict mode functionality via a long base64 hash string.","status":"published","published":"2018-03-04T01:29:00.347Z","modified":"2026-10-24T10:50:33.643188498Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:09.74357Z"},{"id":"DEBIAN-CVE-2018-7651","description":"index.js in the ssri module before 5.2.2 for Node.js is prone to a regular expression denial of service vulnerability in strict mode functionality via a long base64 hash string.","status":"published","published":"2018-03-04T01:29:00.347Z","modified":"2026-10-23T18:04:48.351054712Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:31.170944Z"},{"id":"GHSA-325j-24f4-qv5x","title":"Regular Expression Denial of Service in ssri","description":"Version of `ssri` prior to 5.2.2 are vulnerable to regular expression denial of service (ReDoS) when using strict mode.\n\n\n## Recommendation\n\nUpdate to version 5.2.2 or later.","status":"published","published":"2018-03-07T22:22:20Z","modified":"2023-11-08T04:00:23.25965Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:46:35.050232Z"},{"id":"UBUNTU-CVE-2018-7651","description":"index.js in the ssri module before 5.2.2 for Node.js is prone to a regular expression denial of service vulnerability in strict mode functionality via a long base64 hash string.","status":"published","published":"2018-03-04T01:29:00Z","modified":"2025-10-24T04:46:57Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:18.772093Z"}]}}