function windowAdjust(self) {
  if (self.outgoing.state === 'closed')
    return;
  const amt = MAX_WINDOW - self.incoming.window;
  if (amt <= 0)
    return;
  self.incoming.window += amt;
  self._client._protocol.channelWindowAdjust(self.outgoing.id, amt);
}
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.