=CVE-2020-11080">CVE-2020-11080</a></strong>: By sending a specially crafted packet, an attacker could cause the CPU to spike at 100%. This could be sent to the ingress gateway or a sidecar.</p></div><nav class=pagenav><div class=left><a title="Istio 1.6.3 patch release." href=/v1.11/news/releases/1.6.x/announcing-1.6.3/ class=next-link><svg class="icon left-arrow"><use xlink:href="/v1.11/img/icons.svg#left-arrow"/></svg>1.6.3</a></div><div class=right><a title="Istio 1.6.1 patch release." href=/v1.11/news/