EMC RSA BSAFE Micro Edition Suite (MES) 4.0.x before 4.0.8 and 4.1.x before 4.1.3 and RSA BSAFE SSL-C 2.8.9 and earlier, when client authentication and an ephemeral Diffie-Hellman ciphersuite are enabled, allow remote attackers to cause a denial of service (daemon crash) via a ClientKeyExchange message with a length of zero, a similar issue to CVE-2015-1787.