The Cinepak codec in Microsoft Windows XP SP2 and SP3, Windows Vista SP1 and SP2, and Windows 7 does not properly decompress media files, which allows remote attackers to execute arbitrary code via a crafted file, aka "Cinepak Codec Decompression Vulnerability."
Improper Control of Generation of Code The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.