Stack-based buffer overflow in (1) CxZIP60.dll and (2) CxZIP60u.dll, as used in SpeedProject products including (a) ZipStar 5.0 Build 4285, (b) Squeez 5.0 Build 4285, and © 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.