Heap-based buffer overflow in the TZipTV component in (1) ZipTV for Delphi 7 2006.1.26 and for C++ Builder 2006-1.16, (2) PentaZip 8.5.1.190 and PentaSuite-PRO 8.5.1.221, and possibly other products, allows user-assisted attackers to execute arbitrary code via an ARJ archive with a long header. NOTE: the ACE archive vector is covered by CVE-2005-2856.