Multiple buffer overflows, format string bugs, etc.
vulners.com/securityvulns/securityvulns:doc:2073
vulners.com/securityvulns/securityvulns:doc:2081
vulners.com/securityvulns/securityvulns:doc:2150
vulners.com/securityvulns/securityvulns:doc:2667
vulners.com/securityvulns/securityvulns:doc:2873