Nginx 1.15.6 and 1.14.1 have been released with security fixes;

nginx-1.14.1 stable and nginx-1.15.6 mainline versions have been released, with fixes for vulnerabilities in HTTP/2 (CVE-2018-16843, CVE-2018-16844) and the MP4 module (CVE-2018-16845).
Please add both versions to CB .

https://nginx.org