These are all security issues fixed in the postfix-3.8.3-1.1 package on the GA media of openSUSE Tumbleweed.
{ "binaries": [ { "postfix": "3.8.3-1.1", "postfix-ldap": "3.8.3-1.1", "postfix-doc": "3.8.3-1.1", "postfix-mysql": "3.8.3-1.1", "postfix-devel": "3.8.3-1.1", "postfix-postgresql": "3.8.3-1.1" } ] }