rs_filter_init(RSFilter *self)
{
	RS_DEBUG(FILTERS, "rs_filter_init(%p)", self);
	self->previous = NULL;
	self->next_filters = NULL;
	self->enabled = TRUE;
}

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.