curity/istio-security-2019-001/>CVE 2019-12243</a>.</p><h2 id=bug-fixes>Bug fixes</h2><ul><li>Fix issue where two gateways with overlapping hosts, created at the same second, can cause Pilot to fail to generate routes correctly and lead to Envoy listeners stuck indefinitely at startup in a warming state.</li><li>Improve the robustness of the SDS node agent: if Envoy sends a SDS request with an empty <code>ResourceNames</code>, ignore it and wait for the next request instead of closing the connection (<a hre