Heap-based buffer overflow in _mprosrv.exe in Progress Software Progress 9.1E and OpenEdge 10.1x, as used by the RSA Authentication Manager 6.0 and 6.1, SecurID Appliance 2.0, ACE/Server 5.2, and possibly other products, allows remote attackers to execute arbitrary code via crafted packets.  NOTE: this issue might overlap CVE-2007-3491.