{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "2019-07-08"
              }
            ]
          }
        ]
      }
    }
  ],
  "details": "A null pointer dereference vulnerability exists in airpig2011 IEC104 thru Commit be6d841 (2019-07-08). When multiple threads enqueue elements concurrently via IEC10X_PrioEnQueue, the function may dereference a null or freed queue pointer, resulting in a segmentation fault and potential denial-of-service.",
  "id": "CVE-2025-63929",
  "modified": "2026-03-10T21:53:43.226088664Z",
  "published": "2025-11-12T19:15:37.890Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://github.com/airpig2011/IEC104/issues/21"
    },
    {
      "type": "EVIDENCE",
      "url": "https://songsong.host/mybugs/CVE-2025-63929.html"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}