Stack overflow in non-RFC 'chmod' and 'mdtm' and 'ls -l' commands.
vulners.com/securityvulns/securityvulns:doc:5676
vulners.com/securityvulns/securityvulns:doc:5780
vulners.com/securityvulns/securityvulns:doc:5832
vulners.com/securityvulns/securityvulns:doc:6106