  timingSafeEquals: (a, b) => {
    if (a.length !== b.length) {
      timingSafeEqual_(a, a);
      return false;
    }
    return timingSafeEqual_(a, b);
  },
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.