 aria-labelledby=card0><li role=none><a role=treeitem title="Heap overflow and improper input validation in Envoy (10 de janeiro de 2019)" href=/v1.5/pt-br/news/security/istio-security-2019-007/>ISTIO-SECURITY-2019-007</a></li><li role=none><a role=treeitem title="Denial of service (7 de janeiro de 2019)" href=/v1.5/pt-br/news/security/istio-security-2019-006/>ISTIO-SECURITY-2019-006</a></li><li role=none><a role=treeitem title="Denial of service caused by the presence of numerous HTTP headers in client req