* Update cluster-proportional-autoscaler, metadata-proxy, and fluentd-gcp addons with fixes for CVE-2016-4448, CVE-2016-8859, CVE-2016-9841, CVE-2016-9843, and CVE-2017-9526. ([#47545](https://github.com/kubernetes/kubernetes/pull/47545), [@ixdy](https://github.com/ixdy))

kloads/pods/ephemeral-containers/), it became more obvious how we can support developers with tooling built on top of `kubectl exec`. The addition of the `kubectl debug` [command](https://github.com/kubernetes/enhancements/blob/master/keps/sig-cli/1441-kubectl-debug/README.md) (it is alpha but your feedback is more than welcome), allows developers to easily debug their Pods inside the cluster. We think this addition is invaluable.  This command allows one to create a temporary container which runs...

  * Update kube-dns, metadata-proxy, and fluentd-gcp, event-exporter, prometheus-to-sd, and ip-masq-agent addons with new base images containing fixes for CVE-2016-4448, CVE-2016-9841, CVE-2016-9843, CVE-2017-1000366, CVE-2017-2616, and CVE-2017-9526. ([#47877](https://github.com/kubernetes/kubernetes/pull/47877), [@ixdy](https://github.com/ixdy))