The following updates has been released for Oracle Linux:
ELBA-2019-4519 Oracle Linux 7 shim shim-signed bug fix update (aarch64)Shim, QEmu, Thunderbird Updates for Oracle Linux
ELSA-2019-0159 Important: Oracle Linux 6 thunderbird security update
ELSA-2019-4518 Important: Oracle Linux 7 qemu security update (aarch64)