CVE-2026-50103: Mz Automation LIBIEC61850

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

A NULL pointer dereference in the L2 GOOSE and R-GOOSE shared parser, which may allow a network-adjacent attacker to crash a subscribing application by sending a crafted GOOSE frame containing a malformed TLV value.

Affected products

• Mz Automation LIBIEC61850: from 1.0.0, up to and including 1.6.1

Published 2026-07-23. Last modified 2026-07-30.