MFC r362568:

MFV r362565:

Update 4.2.8p14 --> 4.2.8p15

Summary: Systems that use a CMAC algorithm in ntp.keys will not release
a bit of memory on each packet that uses a CMAC keyid, eventually causing
ntpd to run out of memory and fail. The CMAC cleanup from
https://bugs.ntp.org/3447, part of ntp-4.2.8p11, introduced a bug whereby
the CMAC data structure was no longer completely removed.

Security: NTP Bug 3661

MFC r358652:

MFV r358616:

Update ntp-4.2.8p13 --> 4.2.8p14.

The advisory can be found at:
http://support.ntp.org/bin/view/Main/SecurityNotice#\
March_2020_ntp_4_2_8p14_NTP_Rele

No CVEs have been documented yet.

Security: http://support.ntp.org/bin/view/Main/NtpBug3610
http://support.ntp.org/bin/view/Main/NtpBug3596
http://support.ntp.org/bin/view/Main/NtpBug3592