s for the security vulnerabilities described in <a href=/v1.22/news/security/istio-security-2019-003/>ISTIO-SECURITY-2019-003</a> and
<a href=/v1.22/news/security/istio-security-2019-004/>ISTIO-SECURITY-2019-004</a>. Specifically:</p><p><strong>ISTIO-SECURITY-2019-003</strong>: An Envoy user reported publicly an issue (c.f. <a href=https://github.com/envoyproxy/envoy/issues/7728>Envoy Issue 7728</a>) about regular expressions matching that crashes Envoy with very large URIs.</p><ul><li><strong><a href="http