NTP through 4.2.8p12 has a NULL Pointer Dereference.
bugs.ntp.org/show_bug.cgi?id=3565
lists.opensuse.org/opensuse-security-announce/2019-04/msg00032.html
lists.opensuse.org/opensuse-security-announce/2019-04/msg00036.html
packetstormsecurity.com/files/152915/FreeBSD-Security-Advisory-FreeBSD-SA-19-04.ntp.html
support.ntp.org/bin/view/Main/SecurityNotice
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2NVS2CSG2TQ663CXOZZUJN4STQPMENNP/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JBGXY7OKWOLT6X6JAPVZRFEP4FLCGGST/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQDNHNYOJK2SRSGO23GQ2RXTOUY2HLNN/
seclists.org/bugtraq/2019/May/39
security.FreeBSD.org/advisories/FreeBSD-SA-19:04.ntp.asc
security.gentoo.org/glsa/201903-15
security.netapp.com/advisory/ntap-20190503-0001/
support.f5.com/csp/article/K61363039
support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us
usn.ubuntu.com/4563-1/