Buffer overflows in multiple utilities, unsafe signal handling in ping.
vulners.com/securityvulns/securityvulns:doc:3443
vulners.com/securityvulns/securityvulns:doc:3447
vulners.com/securityvulns/securityvulns:doc:3456
vulners.com/securityvulns/securityvulns:doc:3479