The following updates has been released for CentOS 6:
CEBA-2019:2472 CentOS 6 samba BugFix UpdateSamba, Rear, OpenSSL, Kernel Updates for CentOS 6
CEBA-2019:2475 CentOS 6 rear BugFix Update
CESA-2019:2471 Moderate CentOS 6 openssl Security Update
CESA-2019:2473 Important CentOS 6 kernel Security Update