Maintainers for apache2 are Debian Apache Maintainers <debian-apache@lists.debian.org>.
You may want to refer to the following individual bug pages: apache2-bin, apache2-data, apache2-dbg, apache2-dev, apache2-doc, apache2-mpm-event, apache2-mpm-itk, apache2-mpm-prefork, apache2-mpm-worker, apache2-ssl-dev, apache2-suexec, apache2-suexec-custom, apache2-suexec-pristine, apache2-utils, apache2.2-bin, apache2.2-common, libapache2-mod-macro, libapache2-mod-md, libapache2-mod-proxy-html, libapache2-mod-proxy-uwsgi.
You might like to refer to the apache2 package page, or to the Package Tracking System.
If you find a bug not listed here, please report it.