CVE-2025-63929
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-11-12

Last updated on: 2025-11-13

Assigner: MITRE

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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Meta Information
Published
2025-11-12
Last Modified
2025-11-13
Generated
2026-06-16
AI Q&A
2025-11-13
EPSS Evaluated
2026-06-15
NVD
CVE-2025-63929
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
airpig2011 iec104 *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.
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Executive Summary

This vulnerability is a null pointer dereference in the airpig2011 IEC104 software. It occurs when multiple threads try to enqueue elements concurrently using the IEC10X_PrioEnQueue function. The function may attempt to dereference a null or freed queue pointer, which causes a segmentation fault.

Impact Analysis

The impact of this vulnerability is a potential denial-of-service condition due to the segmentation fault caused by dereferencing a null or freed pointer when multiple threads enqueue elements concurrently.

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