/usr/share/perl5/Debbugs/ is in libdebbugs-perl 2.6.0.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/Debbugs/Bugs.pm
/usr/share/perl5/Debbugs/CGI/
/usr/share/perl5/Debbugs/CGI.pm
/usr/share/perl5/Debbugs/CGI/Bugreport.pm
/usr/share/perl5/Debbugs/CGI/Pkgreport.pm
/usr/share/perl5/Debbugs/Command.pm
/usr/share/perl5/Debbugs/Common.pm
/usr/share/perl5/Debbugs/Config.pm
/usr/share/perl5/Debbugs/Control/
/usr/share/perl5/Debbugs/Control.pm
/usr/share/perl5/Debbugs/Control/Service.pm
/usr/share/perl5/Debbugs/DBase/
/usr/share/perl5/Debbugs/DBase.pm
/usr/share/perl5/Debbugs/DBase/Log/
/usr/share/perl5/Debbugs/DBase/Log.pm
/usr/share/perl5/Debbugs/DBase/Log/Html.pm
/usr/share/perl5/Debbugs/DBase/Log/Mail.pm
/usr/share/perl5/Debbugs/DBase/Log/Message.pm
/usr/share/perl5/Debbugs/DBase/LogEntry.pm
/usr/share/perl5/Debbugs/DebArchive.pm
/usr/share/perl5/Debbugs/Email.pm
/usr/share/perl5/Debbugs/Estraier.pm
/usr/share/perl5/Debbugs/Libravatar.pm
/usr/share/perl5/Debbugs/Log/
/usr/share/perl5/Debbugs/Log.pm
/usr/share/perl5/Debbugs/Log/Spam.pm
/usr/share/perl5/Debbugs/MIME.pm
/usr/share/perl5/Debbugs/Mail.pm
/usr/share/perl5/Debbugs/Packages.pm
/usr/share/perl5/Debbugs/Recipients.pm
/usr/share/perl5/Debbugs/SOAP/
/usr/share/perl5/Debbugs/SOAP.pm
/usr/share/perl5/Debbugs/SOAP/Server.pm
/usr/share/perl5/Debbugs/Status.pm
/usr/share/perl5/Debbugs/Text.pm
/usr/share/perl5/Debbugs/URI.pm
/usr/share/perl5/Debbugs/UTF8.pm
/usr/share/perl5/Debbugs/User.pm
/usr/share/perl5/Debbugs/Versions/
/usr/share/perl5/Debbugs/Versions.pm
/usr/share/perl5/Debbugs/Versions/Dpkg.pm