Maintainers for nginx are Debian Nginx Maintainers <pkg-nginx-maintainers@alioth-lists.debian.net>.
You may want to refer to the following individual bug pages: libnginx-mod-http-auth-pam, libnginx-mod-http-cache-purge, libnginx-mod-http-dav-ext, libnginx-mod-http-echo, libnginx-mod-http-fancyindex, libnginx-mod-http-geoip, libnginx-mod-http-headers-more-filter, libnginx-mod-http-image-filter, libnginx-mod-http-lua, libnginx-mod-http-ndk, libnginx-mod-http-perl, libnginx-mod-http-subs-filter, libnginx-mod-http-uploadprogress, libnginx-mod-http-upstream-fair, libnginx-mod-http-xslt-filter, libnginx-mod-mail, libnginx-mod-nchan, libnginx-mod-rtmp, libnginx-mod-stream, nginx-common, nginx-doc, nginx-extras, nginx-extras-dbg, nginx-full, nginx-full-dbg, nginx-light, nginx-light-dbg.
You might like to refer to the nginx package page, or to the Package Tracking System.
If you find a bug not listed here, please report it.