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 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 Project OpenSSL 1.0.x prior to 1.0.2k
OpenSSL Project OpenSSL 1.1.x prior to 1.1.0d
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor.