More information about this security flaw is available in the following bug: http://bugzilla.redhat.com/show_bug.cgi?id=2257028 Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
We don't ship pycryptodome or pycryptodomex in RDO, we remove it as dependency in pysnmp as it's just optional requirement that we don'n need. https://git.centos.org/rpms/pysnmp/blob/c9s-sig-cloud-openstack-xena/f/SPECS/pysnmp.spec#_3