Buffer overflows, integer overflows and SQL injections.
vulners.com/securityvulns/securityvulns:doc:18086
vulners.com/securityvulns/securityvulns:doc:18088
vulners.com/securityvulns/securityvulns:doc:18112
vulners.com/securityvulns/securityvulns:doc:18113