CVE-2025-63927
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-11-12

Last updated on: 2025-11-13

Assigner: MITRE

Description
A heap-use-after-free vulnerability exists in airpig2011 IEC104 thru Commit be6d841 (2019-07-08). During multi-threaded client execution, the function Iec10x_Scheduled can access memory that has already been freed, potentially causing program crashes or undefined behavior. This may be exploited to trigger a denial-of-service or memory corruption.
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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-2025-63927
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-122 A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
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Executive Summary

This vulnerability is a heap-use-after-free issue in the airpig2011 IEC104 software. It occurs during multi-threaded client execution when the function Iec10x_Scheduled accesses memory that has already been freed. This can lead to program crashes or unpredictable behavior.

Impact Analysis

Exploitation of this vulnerability can cause denial-of-service conditions by crashing the program or can lead to memory corruption, which may affect the stability and security of the affected system.

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