cdo: URI information leak, multiple Excel memory corruptions.
vulners.com/securityvulns/securityvulns:doc:20705
vulners.com/securityvulns/securityvulns:doc:20707
vulners.com/securityvulns/securityvulns:doc:20719
vulners.com/securityvulns/securityvulns:doc:20721