void ContainerNode::childrenChanged(bool changedByParser, Node*, Node*, int childCountDelta)
{
    document()->incDOMTreeVersion();
    if (!changedByParser && childCountDelta)
        document()->updateRangesAfterChildrenChanged(this);
    invalidateNodeListCachesInAncestors();
}

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.