Heap-based buffer overflow in TIBCO SmartSockets RTserver 6.8.0 and earlier, RTworks before 4.0.4, and Enterprise Message Service (EMS) 4.0.0 through 4.4.1 allows remote attackers to execute arbitrary code via crafted requests containing size and copy-length values that trigger the overflow.

More... (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2007-5658)