CVE-2025-51495

An integer overflow vulnerability exists in the WebSocket component of Mongoose 7.5 thru 7.17

High · published September 29, 2025

CVSS v3.1
7.5
EPSS
0%
Percentile
35.6
In the wild
Unconfirmed
What it is

An integer overflow vulnerability exists in the WebSocket component of Mongoose 7.5 thru 7.17. By sending a specially crafted WebSocket request, an attacker can cause the application to crash. If downstream vendors integrate this component improperly, the issue may lead to a buffer overflow.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00424 · 35.6th percentile
Published
2025-09-29T00:00Z
EPSS history
Timeline
  • 29 SEP 00:00Z
    An integer overflow vulnerability exists in the WebSocket component of Mongoose 7.5 thru 7.17
    cvelistv5