This indicates an attack attempt against a Denial of Service 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 on affected systems.
OpenSSL Project OpenSSL prior to 0.9.8zf
OpenSSL Project OpenSSL prior to 1.0.0r
OpenSSL Project OpenSSL prior to 1.0.1m
OpenSSL Project OpenSSL prior to 1.0.2a
Denial of Service: Remote attackers can crash vulnerable systems.
Apply the most recent upgrade or patch from the vendor.