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.