{"id":"CVE-2020-7793","aliases":["GHSA-394c-5j6w-4xmx"],"url":"https://o3.security/vulnerability/CVE-2020-7793","summary":"ua-parser-js Regular Expression Denial of Service vulnerability","details":"The package ua-parser-js before 0.7.23 are vulnerable to Regular Expression Denial of Service (ReDoS) in multiple regexes (see linked commit for more info).","published":"2020-12-11T14:15:11.283Z","modified":"2026-08-07T11:48:33.778106589Z","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":3,"affectedPackages":[{"ecosystem":"npm","name":"ua-parser-js","fixedVersion":"0.7.23"}],"fix":{"url":"https://github.com/faisalman/ua-parser-js/commit/6d1f26df051ba681463ef109d36c9cf0f7e32b18","label":"faisalman/ua-parser-js@6d1f26d"},"references":[{"type":"ADVISORY","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf"},{"type":"FIX","url":"https://github.com/faisalman/ua-parser-js/commit/6d1f26df051ba681463ef109d36c9cf0f7e32b18"},{"type":"EVIDENCE","url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBFAISALMAN-1050388"},{"type":"EVIDENCE","url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1050387"},{"type":"EVIDENCE","url":"https://snyk.io/vuln/SNYK-JS-UAPARSERJS-1023599"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:48:33.778106589Z"}}