NULL pointer dereference in the MMS Client in MZ Automation LibIEC1850 before commit 7afa40390b26ad1f4cf93deaa0052fe7e357ef33 allows a malicious server to Cause a Denial-of-Service via the MMS InitiationResponse message.
https://github.com/mz-automation/libiec61850/commit/7afa40390b26ad1f4cf93deaa0052fe7e357ef33
https://encs.eu/news/critical-security-vulnerabilities-discovered-in-mz-automations-mms-client/