- CVE-2018-12472: Harden hostname check during sibling check by forcing double reverse lookup (bsc#1104076)
Following non security issues were fixed:
- Add migration path check when registration sharing is enabled - Fix sibling sync errors (bsc#1111056): - Synchronize all registered products - Handle duplicate registrations when syncing - Force resync to the sibling instance in `upgrade` and `synchronize` API calls