PowerDNS (aka pdns) Authoritative Server before 4.0.1 allows remote primary DNS servers to cause a denial of service (memory exhaustion and secondary DNS server crash) via a large (1) AXFR or (2) IXFR response.
lists.opensuse.org/opensuse-updates/2016-08/msg00085.html
www.debian.org/security/2016/dsa-3664
www.openwall.com/lists/oss-security/2016/07/06/3
www.securityfocus.com/bid/91678
www.securitytracker.com/id/1036242
doc.powerdns.com/md/changelog/
github.com/PowerDNS/pdns/issues/4128
github.com/PowerDNS/pdns/issues/4133
github.com/PowerDNS/pdns/pull/4134
github.com/sischkg/xfer-limit/blob/master/README.md
lists.dns-oarc.net/pipermail/dns-operations/2016-July/015058.html