Buffer overflow in Aiscatcher Ais-catcher

CVE-2025-66217

AIS-catcher is a multi-platform AIS receiver. Prior to version 0.64, an integer underflow vulnerability exists in the MQTT parsing logic of AIS-catcher. This vulnerability allows an attacker to trigger a massive Heap Buffer Overflow by sen…

Vulnerability class: Buffer Overflow

EPSS: 0.006 (45.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-66217?
CVE-2025-66217 is a high-severity vulnerability in Aiscatcher Ais-catcher, classified under Heap-based Buffer Overflow. CVSS score: 7.5/10. Published 2025-11-29.
How severe is CVE-2025-66217?
High severity. CVSS v3 base score is 7.5 out of 10.