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.

CVSS Scores

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Meta Information

Published

2025-11-12

Last Modified

2025-11-13

Generated

2026-07-06

AI Q&A

2025-11-13

EPSS Evaluated

2026-07-05

NVD

CVE-2025-63929

Affected Vendors & Products

Vendor	Product	Version / Range
airpig2011	iec104	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-476	The product dereferences a pointer that it expects to be valid but is NULL.

Attack-Flow Graph

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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