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.

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Wed, 14 Jan 2026 19:45:00 +0000

Type Values Removed Values Added
First Time appeared Airpig2011
Airpig2011 iec104
CPEs cpe:2.3:a:airpig2011:iec104:*:*:*:*:*:*:*:*
Vendors & Products Airpig2011
Airpig2011 iec104

Thu, 13 Nov 2025 16:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-476
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 12 Nov 2025 19:00:00 +0000

Type Values Removed Values Added
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.
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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-11-13T16:09:20.929Z

Reserved: 2025-10-27T00:00:00.000Z

Link: CVE-2025-63929

cve-icon Vulnrichment

Updated: 2025-11-13T16:09:15.286Z

cve-icon NVD

Status : Analyzed

Published: 2025-11-12T19:15:37.890

Modified: 2026-01-14T19:33:32.593

Link: CVE-2025-63929

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses