Heap corruption: What could the cause be?

Question

I am investigating a crash due to heap corruption. As this issue is non-trivial and involves analyzing the stack and dump results, I have decided to do a code review of file

Answer 1

Check out the answers to this related question.

The answer I suggested provides a technique which may be able to get you back to the code that is actually causing the heap corruption. My answer describes the technique using gdb but I'm sure you must be able to do something similar on windows.

The principle at least should be the same.