Multiple buffer overflows in the F1BookView ActiveX control in F1 Bookview in Schneider Electric ProClima before 6.2 allow remote attackers to execute arbitrary code via the (1) Attach, (2) DefinedName, (3) DefinedNameLocal, (4) ODBCPrepareEx, (5) ObjCreatePolygon, (6) SetTabbedTextEx, or (7) SetValidationRule method, a different vulnerability than CVE-2015-8561.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.