void* Type_ViewingConditions_Dup(struct _cms_typehandler_struct* self, const void *Ptr, cmsUInt32Number n)
{
   return _cmsDupMem(self->ContextID, Ptr, sizeof(cmsICCViewingConditions));

   cmsUNUSED_PARAMETER(n);
}

The product reads data past the end, or before the beginning, of the intended buffer.