Multiple stack-based buffer overflows in ZipGenius 5.5.1.468 and 6.0.2.1041 and other versions before 6.0.2.1050 allow remote attackers to execute arbitrary code via (1) a ZIP archive that contains a file with a long filename which is not properly handled by (a) zipgenius.exe (b) zg.exe (c) zgtips.dll and (d) contmenu.dll; (2) a long original name in a (a) UUE (b) XXE or (c) MIM file which is not properly handled by zipgenius.exe; or (3) an ACE archive with a file with a long filename which is not properly handled by unacev2.dll.