bool SetEnvironmentString(const std::string& variable_name,
                          const std::string& new_value) {
  return SetEnvironmentString16(UTF8ToUTF16(variable_name),
                                UTF8ToUTF16(new_value));
}

The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.