DoS and buffer overflows on different protocols parsing.
vulners.com/securityvulns/securityvulns:doc:3009
vulners.com/securityvulns/securityvulns:doc:5954
vulners.com/securityvulns/securityvulns:doc:5981
vulners.com/securityvulns/securityvulns:doc:6297
vulners.com/securityvulns/securityvulns:doc:6469