Security advisory

{
  "id": "fe87d91d518c1e72f8076d1dd66328a0b7dbd54c58fc4426099a2cfee34c6d4f",
  "url": "https://osv.dev/vulnerability/CVE-2023-22963",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-22963",
    "summary": "The personnummer implementation before 3.0.3 for Dart mishandles numbers in which the last four digits match the ^000[0-9]$ regular expression.",
    "evidence": "osv:CVE-2023-22963",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-22963",
      "aliases": [
        "CVE-2023-22963",
        "GHSA-4xh4-v2pq-jvhm"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/personnummer/dart",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "ca9f91e24eefc8cfda73decb6442c1369086c6db"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "3.0.3"
                      }
                    ],
                    "source": "DESCRIPTION"
                  },
                  {
                    "cpe": "cpe:2.3:a:personnummer:personnummer:*:*:*:*:*:dart:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "3.0.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v3.0.2",
            "v3.0.1",
            "v3.0.0",
            "v2.0.0",
            "v1.0.2",
            "v1.0.1",
            "v1.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-22963.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:36.271406156Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/22xxx/CVE-2023-22963.json",
        "https://github.com/advisories/GHSA-4xh4-v2pq-jvhm",
        "https://github.com/personnummer/dart/security/advisories/GHSA-4xh4-v2pq-jvhm",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-22963"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/22xxx/CVE-2023-22963.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-22963",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 503260,
  "published_at": "2023-01-11T00:00:00+00:00"
}