4.2.8p15 is the latest stable and recommended version of NTP. Click here to read the latest version of the docs. Refer to the table below for the release announcement for each patch level in the 4.2.8-series.

Release Date Release Announcement # of Security Fixes # of Fixes
June 23, 2020 4.2.8p15 1 MEDIUM 13 bugs
March 3, 2020 4.2.8p14 2 MEDIUM 46 bugs
March 7, 2019 4.2.8p13 1 MEDIUM 17 bugs
1 improvement
August 14, 2018 4.2.8p12 1 MEDIUM
1 LOW
27 bugs
4 improvements
February 27, 2018 4.2.8p11 4 MEDIUM
2 LOW
33 bugs
32 improvements
March 21, 2017 4.2.8p10 6 MEDIUM
5 LOW
4 INF
15
November 21, 2016 4.2.8p9 1 HIGH
4 MEDIUM
5 LOW
28
June 2, 2016 4.2.8p8 1 HIGH
4 LOW
April 26, 2016 4.2.8p7 7 MEDIUM
4 LOW
January 20, 2016 4.2.8p6 11 MEDIUM/LOW
January 7, 2016 4.2.8p5 1 MEDIUM 14 bugs
October 21, 2015 4.2.8p4 13 MEDIUM/LOW 3 bugs
June 27, 2015 4.2.8p3 1 LOW
April 7, 2015 4.2.8p2 2
February 4, 2015 4.2.8p1 8
December 19, 2014 4.2.8 6 HIGH 1100+