The MATCH_ASSOC function in NTP before version 4.2.8p9 and 4.3.x before 4.3.92 allows remote attackers to cause an out-of-bounds reference via an addpeer request with a large hmode value.
https://www.kb.cert.org/vuls/id/718152
https://www.debian.org/security/2016/dsa-3629
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
https://support.f5.com/csp/article/K20804323
https://security.netapp.com/advisory/ntap-20171004-0002/
https://security.gentoo.org/glsa/201607-15
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc
https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
https://access.redhat.com/errata/RHSA-2016:1141
http://www.ubuntu.com/usn/USN-3096-1
http://www.securitytracker.com/id/1035705
http://www.securityfocus.com/bid/88226
http://www.securityfocus.com/archive/1/archive/1/538233/100/0/threaded
http://www.securityfocus.com/archive/1/538233/100/0/threaded
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
http://www.debian.org/security/2016/dsa-3629
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160428-ntpd
http://support.ntp.org/bin/view/Main/SecurityNotice#April_2016_ntp_4_2_8p7_Security
http://support.ntp.org/bin/view/Main/NtpBug3009
http://packetstormsecurity.com/files/136864/Slackware-Security-Advisory-ntp-Updates.html
http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00052.html
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00037.html
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00034.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184669.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183647.html