id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	uname	nginx_version
2337	Version disclosure when server_tokens is set off	tanji@…		"With server_tokens set to off:

$ curl -I localhost
HTTP/1.1 200 OK
Server: nginx
Content-Type: application/json

Header is correctly set off.
However, if error 500 is hit:

$ curl -I http://localhost/%3c%%3d77%2a77%%3e/185/products 
HTTP/1.1 500 Internal Server Error
Server: nginx/1.20.2
Date: Fri, 18 Mar 2022 08:57:46 GMT
Content-Type: text/html
Content-Length: 177
Connection: close

Version is disclosed in the headers and in the HTML error page.
"	defect	closed	minor	nginx-1.21	nginx-core		invalid		tanji@…	Linux http-stage-r1-2 5.10.0-10-amd64 #1 SMP Debian 5.10.84-1 (2021-12-08) x86_64 GNU/Linux	"nginx version: nginx/1.20.2
built by gcc 10.2.1 20210110 (Debian 10.2.1-6) 
built with OpenSSL 1.1.1k  25 Mar 2021
TLS SNI support enabled
configure arguments: --prefix=/etc/nginx --sbin-path=/usr/sbin/nginx --modules-path=/usr/lib/nginx/modules --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log --http-log-path=/var/log/nginx/access.log --pid-path=/var/run/nginx.pid --lock-path=/var/run/nginx.lock --http-client-body-temp-path=/var/cache/nginx/client_temp --http-proxy-temp-path=/var/cache/nginx/proxy_temp --http-fastcgi-temp-path=/var/cache/nginx/fastcgi_temp --http-uwsgi-temp-path=/var/cache/nginx/uwsgi_temp --http-scgi-temp-path=/var/cache/nginx/scgi_temp --user=nginx --group=nginx --with-compat --with-file-aio --with-threads --with-http_addition_module --with-http_auth_request_module --with-http_dav_module --with-http_flv_module --with-http_gunzip_module --with-http_gzip_static_module --with-http_mp4_module --with-http_random_index_module --with-http_realip_module --with-http_secure_link_module --with-http_slice_module --with-http_ssl_module --with-http_stub_status_module --with-http_sub_module --with-http_v2_module --with-mail --with-mail_ssl_module --with-stream --with-stream_realip_module --with-stream_ssl_module --with-stream_ssl_preread_module --with-cc-opt='-g -O2 -ffile-prefix-map=/data/builder/debuild/nginx-1.20.2/debian/debuild-base/nginx-1.20.2=. -fstack-protector-strong -Wformat -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fPIC' --with-ld-opt='-Wl,-z,relro -Wl,-z,now -Wl,--as-needed -pie'
"