Updated java-1.7.0-openjdk packages has been released for CentOS 6 and 7
CESA-2018:0349 Important CentOS 6 java-1.7.0-openjdk Security UpdateJava-1.7.0-OpenJDK Update for CentOS 6 / 7
CESA-2018:0349 Important CentOS 7 java-1.7.0-openjdk Security Update