Apart from the RPC port, which other component of our Peercoin clients establish TLS communications?
OpenSSL is mainly used in Peercoin because of its crypto functions. Nodes do not use SSL/TLS to communicate between each other. If the RPC port is not reachable from the outside world and if the ssl option is not enabled for RPC there is no use of TLS…
Unless you have this setup in your configuration file (ppcoin.conf) there is 0 risk to be impacted by these vulnz: