CVE-2026-51539

HIGH CVSS 7.5 View on NVD ↗

Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

https://gist.github.com/MrAlaskan/f22dcf01a5dd90da1b191fcee9043a32
https://github.com/stephane/libmodbus/issues/843

Published: Jul 13, 2026 22:16 UTC Modified: Jul 14, 2026 14:16 UTC