The following updates has been released for CentOS:
CEBA-2018:1339 CentOS 6 tzdata BugFix UpdateTzData, Ibus, Vte, GCC-Libraries, Kernel, 389-ds-base Updates for CentOS
CEBA-2018:1361 CentOS 6 ibus BugFix Update
CEBA-2018:1362 CentOS 6 vte BugFix Update
CEBA-2018:1363 CentOS 6 gcc-libraries BugFix Update
CESA-2018:1319 Important CentOS 6 kernel Security Update
CESA-2018:1364 Important CentOS 6 389-ds-base Security Update