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                                            Olivier Hochreutiner

Buffer overflow in nx_secure_tls_send_handshake_record()

**Describe the bug** During nx_web_http_client_secure_connect(), in function _nx_secure_tls_send_handshake_record(), NX_SECURE_MEMCPY overflows the nx_secure_tls_handshake_cache buffer, causing a crash later in the code. ![image](https://github.com/azure-rtos/netxduo/assets/37809460/3c70068f-a990-4a3d-82b6-34c003261fd7) ![image](https://github.com/azure-rtos/netxduo/assets/37809460/5f6c390a-8595-4040-91b6-4e3e940a5163) When NX_SECURE_MEMCPY is called, length==1117, whereas nx_secure_tls_handshake_cache is...

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