CVE-2024-36843: Libmodbus

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

libmodbus v3.1.6 was discovered to contain a heap overflow via the modbus_mapping_free() function.

Affected products

• Libmodbus Libmodbus: version 3.1.6 only

Published 2024-05-31. Last modified 2026-06-17.