UniqueElementData::UniqueElementData(const UniqueElementData& other)
    : ElementData(other, true)
    , m_presentationAttributeStyle(other.m_presentationAttributeStyle)
    , m_attributeVector(other.m_attributeVector)
{
    m_inlineStyle = other.m_inlineStyle ? other.m_inlineStyle->mutableCopy() : 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.