Weak pseudo-random numbers generation, vulnerabilities in network protocol.
vulners.com/securityvulns/securityvulns:doc:11738
vulners.com/securityvulns/securityvulns:doc:11759
vulners.com/securityvulns/securityvulns:doc:11760
vulners.com/securityvulns/securityvulns:doc:11761