Newer upstream nginx 1.14.2 was released with Fedora-specific fix. Changes include:
*) Bugfix: nginx could not be built by gcc 8.1. *) Bugfix: nginx could not be built on Fedora 28 Linux. *) Bugfix: in handling of client addresses when using unix domain listen sockets to work with datagrams on Linux. *) Change: the logging level of the "http request", "https proxy request", "unsupported protocol", "version too low", "no suitable key share", and "no suitable signature algorithm" SSL errors has been lowered from "crit" to "info". *) Bugfix: when using OpenSSL 1.1.0 or newer it was not possible to switch off "ssl_prefer_server_ciphers" in a virtual server if it was switched on in the default server. *) Bugfix: nginx could not be built with LibreSSL 2.8.0. *) Bugfix: if nginx was built with OpenSSL 1.1.0 and used with OpenSSL 1.1.1, the TLS 1.3 protocol was always enabled. *) Bugfix: sending a disk-buffered request body to a gRPC backend might fail. *) Bugfix: connections with some gRPC backends might not be cached when using the "keepalive" directive. *) Bugfix: a segmentation fault might occur in a worker process if the ngx_http_mp4_module was used on 32-bit platforms.