CVE-2026-51539

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Published 2026-07-13. Last modified 2026-07-15.