The Multimedia Messaging Centre (MMSC) in NowSMS Now SMS & MMS Gateway 2013.09.26 allows remote attackers to cause a denial of service via a malformed message to a MM4 connection.Referenceshttp://www.securityfocus.com/bid/63879http://www.nowsms.com/nowsms20131115http://secunia.com/advisories/55805