static int identifierForFamily(const AtomicString& family)
{
    if (family == cursiveFamily)
        return CSSValueCursive;
    if (family == fantasyFamily)
        return CSSValueFantasy;
    if (family == monospaceFamily)
        return CSSValueMonospace;
    if (family == pictographFamily)
        return CSSValueWebkitPictograph;
    if (family == sansSerifFamily)
        return CSSValueSansSerif;
    if (family == serifFamily)
        return CSSValueSerif;
    return 0;
}

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.