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CVE-2025-63929

Full vulnerability record from the local CVENow database.

Description

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.

Severity
HIGH
CVSS score
7.5 (v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2025-11-12 19:15:37.890000
Last modified
2026-11-05 14:10:00.273000
View original CVE JSON
{
  "id": "CVE-2025-63929",
  "sourceIdentifier": "[email protected]",
  "published": "2025-11-12T19:15:37.890",
  "lastModified": "2026-11-05T14:10:00.273",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de desreferencia de puntero nulo existe en airpig2011 IEC104 hasta el Commit be6d841 (08-07-2019). Cuando múltiples hilos encolan elementos concurrentemente a través de IEC10X_PrioEnQueue, la función puede desreferenciar un puntero de cola nulo o liberado, lo que resulta en un fallo de segmentación y una potencial denegación de servicio."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "version": "n/a",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
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          "timestamp": "2025-11-13T16:08:14.870069Z",
          "id": "CVE-2025-63929",
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            },
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          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
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  },
  "weaknesses": [
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      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "configurations": [
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          "cpeMatch": [
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  "references": [
    {
      "url": "https://github.com/airpig2011/IEC104/issues/21",
      "source": "[email protected]",
      "tags": [
        "Exploit",
        "Issue Tracking"
      ]
    },
    {
      "url": "https://songsong.host/mybugs/CVE-2025-63929.html",
      "source": "[email protected]",
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}