Description of problem: Missing dependency Version-Release number of selected component (if applicable): 2.4.9-1.el9 How reproducible: Steps to Reproduce: 1. /usr/lib64/nagios/plugins/check_ssl_validity -H alex.corcoles.net -p 1965 Actual results: CRITICAL: Could not parse X509 certificate on alex.corcoles.net:1965: Can't locate object method "new" via package "Math::BigInt" at /usr/share/perl5/vendor_perl/Convert/ASN1.pm line 396. Expected results: Host alex.corcoles.net matches CN alex.corcoles.net on alex.corcoles.net:1965, still valid for 76.8 days. Serial ffffffffffffffff not found on any Certificate Revokation Lists. Additional info: dnf install perl-Math-BigInt solves the issue.