CVE-2025-66216CWE-131CWE-787

CVE-2025-66216

Critical · published November 29, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
42.4
In the wild
Unconfirmed
What it is

🔥 A heap buffer overflow in AIS-catcher could let attackers overflow a 128-byte buffer with up to 1KB of their choice, potentially hijacking your data! Think of it like trying to stuff a giant pizza into a tiny delivery box — if you force it, things are going to get messy! In the same way, this vulnerability allows data to spill over where it shouldn’t, leading to chaos. If exploited, an attacker could take control of the system, manipulate data, or even crash it entirely! This could result in downtime, loss of data integrity, or even unauthorized access to critical functions — absolutely devastating for any multi-platform operation.

Put simply

Think of it like trying to stuff a giant pizza into a tiny delivery box — if you force it, things are going to get messy! In the same way, this vulnerability allows data to spill over where it shouldn’t, leading to chaos. The vulnerability in the AIS::Message class allows attackers to write arbitrary data beyond the allocated buffer size, which can corrupt adjacent memory and leads to unpredictable behavior.

What to do

If exploited, an attacker could take control of the system, manipulate data, or even crash it entirely! This could result in downtime, loss of data integrity, or even unauthorized access to critical functions — absolutely devastating for any multi-platform operation. Immediate patching to version 0.64 is crucial to protect against this vulnerability. Additionally, review your deployment for any instances running older versions to ensure they're updated without delay. You've got this! Follow these steps, and you'll have your systems fortified in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00507 · 42.4th percentile
Weaknesses
CWE-131 · Incorrect Calculation of Buffer Size; CWE-787 · Out-of-bounds Write
Published
2025-11-29T08:15Z
Affected products (1)
ProductVersionsFixed in
aiscatcher/ais-catcher< 0.640.64
References (3)
EPSS history
Timeline
  • 29 NOV 01:57Z
    AIS-catcher has a Buffer Overflow vulnerability in `AIS::Message` leading to DoS/RCE
    cvelistv5