MFCS encountered segmentation violation error when a TLS enabled listener/port received requests from non-tls enabled client, like requests from vulnerability scanning software. When a vulnerability scanning was run against the server, the MFCS terminated with segmentation violation and did not spawn a new process. A fix was released in ED 7 PU 17/ED 8 PU6 to prevent the mfcs from terminating in such situations.

Full article: https://portal.microfocus.com/s/article/KM000016767