OpenSSL Improper Input Validation Vulnerability - CVE-2015-1787
The ssl3_get_client_key_exchange function in s3_srvr.c in OpenSSL 1.0.2 before 1.0.2a when client authentication and an ephemeral Diffie-Hellman ciphersuite are enabled allows remote attackers to cause a denial of service (daemon crash) via a ClientKeyExchange message with a length of zero.