The application calls free() on a pointer to memory that was
					not allocated using associated heap allocation functions such as malloc(),
					calloc(), or realloc().When free() is called on an invalid pointer, the program's memory
						management data structures may become corrupted. This corruption can cause
						the program to crash or, in some circumstances, an attacker may be able to
						cause free() to operate on controllable memory locations to modify critical
						program variables or execute code.