http://bugs.ntp.org/show_bug.cgi?id=3565
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00032.html
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00036.html
http://packetstormsecurity.com/files/152915/FreeBSD-Security-Advisory-FreeBSD-SA-19-04.ntp.html
http://support.ntp.org/bin/view/Main/SecurityNotice
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2NVS2CSG2TQ663CXOZZUJN4STQPMENNP/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JBGXY7OKWOLT6X6JAPVZRFEP4FLCGGST/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KQDNHNYOJK2SRSGO23GQ2RXTOUY2HLNN/
https://seclists.org/bugtraq/2019/May/39
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:04.ntp.asc
https://security.gentoo.org/glsa/201903-15
https://security.netapp.com/advisory/ntap-20190503-0001/
https://support.f5.com/csp/article/K61363039
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