NTP before 4.2.8p6 and 4.3.0 before 4.3.90 allows a remote attackers to cause a denial of service (stack exhaustion) via an ntpdc relist command, which triggers recursive traversal of the restriction list.
lists.fedoraproject.org/pipermail/package-announce/2016-February/177507.html
lists.fedoraproject.org/pipermail/package-announce/2016-January/176434.html
lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.html
lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.html
lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html
lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.html
lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html
lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html
lists.opensuse.org/opensuse-updates/2016-05/msg00114.html
rhn.redhat.com/errata/RHSA-2016-0780.html
rhn.redhat.com/errata/RHSA-2016-2583.html
support.ntp.org/bin/view/Main/SecurityNotice#April_2016_NTP_4_2_8p7_Security
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-ntpd
www.debian.org/security/2016/dsa-3629
www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
www.securityfocus.com/bid/81962
www.securitytracker.com/id/1034782
www.ubuntu.com/usn/USN-3096-1
bto.bluecoat.com/security-advisory/sa113
security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc
security.gentoo.org/glsa/201607-15
security.netapp.com/advisory/ntap-20171031-0001/
www.kb.cert.org/vuls/id/718152