Stack-based buffer overflow in (1) CxUux60.dll and (2) CxUux60u.dll, as used in SpeedProject products including (a) Squeez 5.0 Build 4285, and (b) SpeedCommander 11.0 Build 4430 and 10.51 Build 4430, allows user-assisted attackers to execute arbitrary code via a ZIP archive containing a long filename.