CVE-2019-6136: Mz-Automation LIBIEC61850

High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days.

An issue has been found in libIEC61850 v1.3.1. Ethernet_setProtocolFilter in hal/ethernet/linux/ethernet_linux.c has a SEGV, as demonstrated by sv_subscriber_example.c and sv_subscriber.c.

Affected products

• Mz-Automation LIBIEC61850: version 1.3.1 only

Published 2019-01-11. Last modified 2026-06-17.