This indicates an attack attempt against a Memory Corruption Vulnerability in OpenSSL.
The vulnerability is caused by an error when the vulnerable application handles a maliciously crafted SSL/TLS record. A remote attacker may be able to exploit this to cause a denial of service condition or execute arbitrary code on affected systems.
OpenSSL 1.0.2c and earlier
OpenSSL 1.0.1o and earlier
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor.