{"id":"CVE-2023-22963","aliases":["GHSA-4xh4-v2pq-jvhm"],"url":"https://o3.security/vulnerability/CVE-2023-22963","summary":"personnummer/dart vulnerable to Improper Input Validation","details":"The personnummer implementation before 3.0.3 for Dart mishandles numbers in which the last four digits match the ^000[0-9]$ regular expression.","published":"2023-01-11T00:00:00Z","modified":"2026-07-15T01:49:04.013169772Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Pub","name":"personnummer","fixedVersion":"3.0.3"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/22xxx/CVE-2023-22963.json"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-4xh4-v2pq-jvhm"},{"type":"ADVISORY","url":"https://github.com/personnummer/dart/security/advisories/GHSA-4xh4-v2pq-jvhm"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-22963"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T01:49:04.013169772Z"}}