xsltTestCompMatchList(xsltTransformContextPtr ctxt, xmlNodePtr node,
	              xsltCompMatchPtr comp) {
    int ret;

    if ((ctxt == NULL) || (node == NULL))
	return(-1);
    while (comp != NULL) {
	ret = xsltTestCompMatch(ctxt, comp, node, NULL, NULL);
	if (ret == 1)
	    return(1);
	comp = comp->next;
    }
    return(0);
}

This vulnerability category highlights issues in resource management where failures to properly release memory, file handles, or other resources can degrade system performance or enable denial-of-service conditions.