Weak pseudo-random generator is used to generate DNS request ID.
vulners.com/securityvulns/securityvulns:doc:18393
vulners.com/securityvulns/securityvulns:doc:18395
vulners.com/securityvulns/securityvulns:doc:18413
vulners.com/securityvulns/securityvulns:doc:19594
vulners.com/securityvulns/securityvulns:doc:19595
vulners.com/securityvulns/securityvulns:doc:20128