void ApplyFontsFromMap(const WebPreferences::ScriptFontFamilyMap& map,
                       SetFontFamilyWrapper setter,
                       WebSettings* settings) {
  for (WebPreferences::ScriptFontFamilyMap::const_iterator it = map.begin();
       it != map.end(); ++it) {
    int32 script = u_getPropertyValueEnum(UCHAR_SCRIPT, (it->first).c_str());
    if (script >= 0 && script < USCRIPT_CODE_LIMIT) {
      UScriptCode code = static_cast<UScriptCode>(script);
      (*setter)(settings, it->second, GetScriptForWebSettings(code));
    }
  }
}

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.