PassRefPtr<Attr> Element::attrIfExists(const QualifiedName& name)
{
    if (AttrNodeList* attrNodeList = attrNodeListForElement(this))
        return findAttrNodeInList(attrNodeList, name);
    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.