{"id":"CVE-2025-63929","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-63929","generatedAt":"2026-10-28T00:28:30.579Z","title":"A null pointer dereference vulnerability exists in airpig2011 IEC104 thru Commit be6d841 (2019-07-08).","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.","published":"2025-11-12T19:15:38.000Z","lastModified":"2026-06-17T09:53:41.000Z","status":"Analyzed","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-476"],"affected":["airpig2011/iec104"],"epss":{"score":0.00372,"percentile":0.30861,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.37%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/airpig2011/IEC104/issues/21","tags":["Exploit","Issue Tracking"],"source":"cve@mitre.org"},{"url":"https://songsong.host/mybugs/CVE-2025-63929.html","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-63929","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}