void Document::notifyLayoutTreeOfSubtreeChanges()
{
    if (!layoutView()->wasNotifiedOfSubtreeChange())
        return;

    m_lifecycle.advanceTo(DocumentLifecycle::InLayoutSubtreeChange);

    layoutView()->handleSubtreeModifications();
    ASSERT(!layoutView()->wasNotifiedOfSubtreeChange());

    m_lifecycle.advanceTo(DocumentLifecycle::LayoutSubtreeChangeClean);
}

This category addresses vulnerabilities caused by flawed access control mechanisms, where incorrect permission settings allow unauthorized users to access restricted resources.