certutil - Error "SEC_ERROR_IO: An I/O error occurred during security authorization."

Solution Verified - Updated -

Issue

When trying to generate a TLS certificate request, the certutil command fails with the following error:

# certutil -d /etc/dirsrv/slapd-<INSTANCE_NAME>/ -R -o /root/<INSTANCE_NAME>.csr \
  -s "CN=server.example.com,O=example_organization,OU=IT,ST=North Carolina,C=US"
certutil: unable to generate key(s)
: SEC_ERROR_IO: An I/O error occurred during security authorization.
#_ERROR_IO: An I/O error occurred during security authorization.

Environment

Red Hat Directory Server 9
Red Hat Directory Server 10
Red Hat Enterprise Linux 6.x
Red Hat Enterprise Linux 7.x

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