powerdns -- Leaking uninitialised memory through crafted zone records

PowerDNS Team reports

CVE-2020-17482: An issue has been found in PowerDNS Authoritative
Server before 4.3.1 where an authorized user with the
ability to insert crafted records into a zone might
be able to leak the content of uninitialized memory.
Such a user could be a customer inserting data via a
control panel, or somebody with access to the REST
API. Crafted records cannot be inserted via AXFR.