FKIE_CVE-2025-63929

Vulnerability from fkie_nvd - Published: 2025-11-12 19:15 - Updated: 2026-01-14 19:33
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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.
References
cve@mitre.orghttps://github.com/airpig2011/IEC104/issues/21Exploit, Issue Tracking
cve@mitre.orghttps://songsong.host/mybugs/CVE-2025-63929.htmlExploit, Third Party Advisory
Impacted products
Vendor Product Version
airpig2011 iec104 *
To clipboard 

{
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    {
      "nodes": [
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          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:airpig2011:iec104:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "60BCC559-A4AB-44D5-8297-727AD7226919",
              "versionEndIncluding": "2019-07-08",
              "vulnerable": true
            }
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          "negate": false,
          "operator": "OR"
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  ],
  "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."
    }
  ],
  "id": "CVE-2025-63929",
  "lastModified": "2026-01-14T19:33:32.593",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
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  "published": "2025-11-12T19:15:37.890",
  "references": [
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      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking"
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      "url": "https://github.com/airpig2011/IEC104/issues/21"
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  "weaknesses": [
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          "value": "CWE-476"
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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