Man pages matching name cgi::untaint::hex in section 3pm:

CGI::Untaint::hex.3pm.en	debian 10 / libcgi-untaint-perl
CGI::Untaint::hex.3pm.en	debian 11 / libcgi-untaint-perl
CGI::Untaint::hex.3pm.en	debian 12 / libcgi-untaint-perl