A thunderbird security update has been released for Oracle Linux 7 on the aarch64 architecture

Oracle Linux Security Advisory ELSA-2020-0120

  http://linux.oracle.com/errata/ELSA-2020-0120.html

The following updated rpms for Oracle Linux 7 have been uploaded to the
Unbreakable Linux Network:

aarch64:
thunderbird-68.4.1-2.0.1.el7_7.aarch64.rpm

SRPMS:
  http://oss.oracle.com/ol7/SRPMS-updates/thunderbird-68.4.1-2.0.1.el7_7.src.rpm


Description of changes:

[68.4.1-2.0.1]
- Replaced thunderbird-redhat-default-prefs.js with
thunderbird-oracle-default-prefs.js

[68.4.1-2]
- Update to 68.4.1 build1