void Element::setPrefix(const AtomicString& prefix, ExceptionCode& ec)
{
    ec = 0;
    checkSetPrefix(prefix, ec);
    if (ec)
        return;

    m_tagName.setPrefix(prefix.isEmpty() ? AtomicString() : prefix);
}

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.