/usr/share/perl5/ is in libcgi-validop-perl 0.56-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/CGI/
/usr/share/perl5/CGI/ValidOp/
/usr/share/perl5/CGI/ValidOp/Check/
/usr/share/perl5/CGI/ValidOp/Check/checkbox.pm
/usr/share/perl5/CGI/ValidOp/Check/date.pm
/usr/share/perl5/CGI/ValidOp/Check/sql.pm
/usr/share/perl5/CGI/ValidOp/Check/text.pm
/usr/share/perl5/CGI/ValidOp/Check/number.pm
/usr/share/perl5/CGI/ValidOp/Check/demographics.pm
/usr/share/perl5/CGI/ValidOp/Check/alternative.pm
/usr/share/perl5/CGI/ValidOp/Check/length.pm
/usr/share/perl5/CGI/ValidOp/Check/required_if.pm
/usr/share/perl5/CGI/ValidOp/Check/email.pm
/usr/share/perl5/CGI/ValidOp/Check.pm
/usr/share/perl5/CGI/ValidOp/Op.pm
/usr/share/perl5/CGI/ValidOp/Test.pm
/usr/share/perl5/CGI/ValidOp/Param.pm
/usr/share/perl5/CGI/ValidOp/Object.pm
/usr/share/perl5/CGI/ValidOp/Base.pm
/usr/share/perl5/CGI/ValidOp.pm