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.

CVSS Scores

EPSS Scores

Probability:
Percentile:

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-2025-63927

Affected Vendors & Products

Vendor	Product	Version / Range
airpig2011	iec104	*

Helpful Resources

Exploitability

CWE

KEV

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().

Attack-Flow Graph

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.

Hi! I’m here to help you understand CVE-2025-63927. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70