Use-after-free vulnerability in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to possibly execute arbitrary code or cause a denial of service (crash) via crafted packets.Referenceshttps://bugzilla.redhat.com/show_bug.cgi?id=1274257http://support.ntp.org/bin/view/Main/NtpBug2916http://www.securitytracker.com/id/1033951http://www.securityfocus.com/bid/77276https://security.gentoo.org/glsa/201607-15https://security.netapp.com/advisory/ntap-20171004-0001/
