CVE Catalog

CVE-2025-63927

MediumCVSS 4.0
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.21%

11th percentile - higher than 11% of all known CVEs

Summary

A heap-use-after-free vulnerability exists in airpig2011 IEC104 through commit be6d841 (2019-07-08). During multi-threaded client execution, the Iec10x_Scheduled function can access freed memory, potentially causing crashes or undefined behavior.

Risk Assessment

This may be exploited to trigger a denial-of-service or memory corruption, disrupting industrial systems.

Recommendation

Update the library to a patched version or restrict multi-threaded use until the fix is applied.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS