Stack-based buffer overflow in the ReadFile function in the ZOO-processing exports in the BeCubed Compression Plus before 5.0.1.28 as used in products including (1) Tumbleweed EMF (2) VCOM/Ontrack PowerDesk Pro (3) Canyon Drag and Zip (4) Canyon Power File and (5) Canyon Power File Gold allow context-dependent attackers to execute arbitrary code via an inconsistent size parameter in a ZOO file header.