{"id":"CVE-2020-7661","aliases":[],"url":"https://o3.security/vulnerability/CVE-2020-7661","summary":"Regular expression denial of service in url-regex","details":"all versions of url-regex are vulnerable to Regular Expression Denial of Service. An attacker providing a very long string in String.test can cause a Denial of Service.","published":"2020-06-22T14:39:03Z","modified":"2026-03-13T21:56:41.415393Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"url-regex","fixedVersion":null}],"fix":null,"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7661"},{"type":"WEB","url":"https://github.com/kevva/url-regex/issues/70"},{"type":"PACKAGE","url":"https://github.com/kevva/url-regex"},{"type":"WEB","url":"https://snyk.io/vuln/SNYK-JS-URLREGEX-569472"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-03-13T21:56:41.415393Z"}}