Security updates for Tuesday 04/28/20

Security updates were issued by Debian ([DSA 4665-1] qemu security update) CentOS (Release for CentOS Linux 7 (2003) on armhfp aarch64 i386 ppc64 ppc64le and power9, CESA-2020:1488 Important CentOS 6 thunderbird Security Update, CESA-2020:1429 Important CentOS 6 firefox Security Update, CESA-2020:1403 Important CentOS 6 qemu-kvm Security Update, CESA-2020:1508 Important CentOS 6 java-1.7.0-openjdk Security Update, CESA-2020:1506 Important CentOS 6 java-1.8.0-openjdk Security Update, CESA-2020:1524 Important CentOS 6 kernel Security Update)