CVE-2025-66216 AIS-catcher has a Buffer Overflow vulnerability in `AIS::Message` leading to DoS/RCE
A heap buffer overflow in AIS-catcher allows attackers to execute arbitrary code or cause denial of service by writing data into a small buffer.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-66216?
CVE-2025-66216 is a critical memory corruption vulnerability in jvde-github AIS-catcher, published on 29 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2025-66216?
It affects 1 product.
Products include Aiscatcher Ais-Catcher.
How do I fix CVE-2025-66216?
No fix has been published for CVE-2025-66216 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-66216 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-66216 exists.
Other vulnerabilities in jvde-github AIS-catcher
Sources
Also known as GHSA-v53x-f5hh-g2g6.