        CHANNEL_FAILURE: (p, recipient) => {
          const channel = this._chanMgr.get(recipient);
          if (typeof channel !== 'object' || channel === null)
            return;

          this._resetKA();

          if (channel._callbacks.length)
            channel._callbacks.shift()(true);
        },
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.