CVE-2026-51539

A Denial of Service (DoS) vulnerability exists in the receive loop of libmodbus 3.1.12 when running on Windows

High · published July 13, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
41.1
In the wild
Unconfirmed
What it is

A Denial of Service (DoS) vulnerability exists in the receive loop of libmodbus 3.1.12 when running on Windows. The issue stems from improper timeout management during network read operations.

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
0.00488 · 41.1th percentile
Published
2026-07-13T00:00Z
EPSS history
Timeline
  • 13 JUL 00:00Z
    A Denial of Service (DoS) vulnerability exists in the receive loop of libmodbus 3.1.12 when running on Windows
    cvelistv5