role=treeitem title="Multiple denial of service vulnerabilities related to HTTP2 support in Envoy (August 13, 2019)" href=/v1.8/news/security/istio-security-2019-004/>ISTIO-SECURITY-2019-004</a></li><li role=none><span role=treeitem class=current title="Denial of service in regular expression parsing (August 13, 2019)">ISTIO-SECURITY-2019-003</span></li><li role=none><a role=treeitem title="Denial of service affecting JWT access token parsing (June 28, 2019)" href=/v1.8/news/security/istio-security-2019-002