Microsoft Publisher 2003 SP3, and 2007 SP2 and SP3, does not properly manage memory allocations for function pointers, which allows user-assisted remote attackers to execute arbitrary code via a crafted Publisher file, aka "Publisher Function Pointer Overwrite 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.