Multiple heap-based buffer overflows in Topaz Systems SigPlus Pro ActiveX Control 3.95, and possibly other versions before 4.29, allow remote attackers to execute arbitrary code via a long (1) KeyString property, (2) NewPath parameter to the SetLocalIniFilePath method, or (3) NewPortPath parameter to the SetTabletPortPath method.
Stack-based buffer overflow in SigPlus Pro 3.74 ActiveX control allows remote attackers to execute arbitrary code via a long eighth argument (HexString) to the LCDWriteString method.