/usr/share/doc/libcgi-application-plugin-authentication-perl/examples/ is in libcgi-application-plugin-authentication-perl 0.20-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libcgi-application-plugin-authentication-perl/examples/basic.cgi
/usr/share/doc/libcgi-application-plugin-authentication-perl/examples/httpdocs/
/usr/share/doc/libcgi-application-plugin-authentication-perl/examples/httpdocs/css/
/usr/share/doc/libcgi-application-plugin-authentication-perl/examples/httpdocs/css/ieonly.css
/usr/share/doc/libcgi-application-plugin-authentication-perl/examples/httpdocs/css/ieonly6.css
/usr/share/doc/libcgi-application-plugin-authentication-perl/examples/httpdocs/css/template.css
/usr/share/doc/libcgi-application-plugin-authentication-perl/examples/httpdocs/js/
/usr/share/doc/libcgi-application-plugin-authentication-perl/examples/httpdocs/js/focus.js
/usr/share/doc/libcgi-application-plugin-authentication-perl/examples/sample.cgi
/usr/share/doc/libcgi-application-plugin-authentication-perl/examples/template.cgi
/usr/share/doc/libcgi-application-plugin-authentication-perl/examples/templates/
/usr/share/doc/libcgi-application-plugin-authentication-perl/examples/templates/login.tmpl
/usr/share/doc/libcgi-application-plugin-authentication-perl/examples/templates/one.tmpl
/usr/share/doc/libcgi-application-plugin-authentication-perl/examples/templates/two.tmpl