CVE-2025-66216

CriticalCVSS 9.8

Published: 29/11/2025(UTC)Updated: 07/10/2026(UTC)Translated: 05/08/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.51%

41th percentile - higher than 41% of all known CVEs

Summary

In AIS-catcher prior to version 0.64, a heap buffer overflow vulnerability has been identified in the AIS::Message class. This vulnerability allows an attacker to write approximately 1KB of arbitrary data into a 128-byte buffer. This issue has been patched in version 0.64.

Risk Assessment

Risk of data integrity compromise or arbitrary code execution, potentially leading to system takeover.

Recommendation

Immediately update AIS-catcher to version 0.64 or later.

Other vulnerabilities in AIS-catcher

CVE-2025-66217High
AIS-catcher, a multi-platform AIS receiver, prior to version 0.64 has an integer underflow vulnerability in MQTT parsing logic. An attacker can trigger a massive Heap Buffer Overflow by sending a malformed MQTT packet with a manipulated Topic Length field, leading to immediate DoS and, when used as a library, severe Memory Corruption that can be leveraged for RCE.

Original NVD description (English source)

AIS-catcher is a multi-platform AIS receiver. Prior to version 0.64, a heap buffer overflow vulnerability has been identified in the AIS::Message class of AIS-catcher. This vulnerability allows an attacker to write approximately 1KB of arbitrary data into a 128-byte buffer. This issue has been patched in version 0.64.

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