CVE-2023-26793: Libmodbus

Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days.

libmodbus v3.1.10 has a heap-based buffer overflow vulnerability in read_io_status function in src/modbus.c.

Affected products

• Libmodbus Libmodbus: version 3.1.10 only

Published 2024-05-01. Last modified 2026-06-17.