void CALLBACK verbose_stats_dump (UINT timer_id _U_, UINT msg _U_, DWORD_PTR arg _U_,
				  DWORD_PTR dw1 _U_, DWORD_PTR dw2 _U_)
{
	if (infodelay == 0)
		fprintf(stderr, "Got %u\r", packets_captured);
}

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.