his vulnerability could be leveraged for a DoS attack. If you applied the mitigation mentioned in <a href=/v1.22/news/security/istio-security-2019-006/>our November 11, 2019 news post</a>, you can remove the mitigation once you upgrade to Istio 1.3.5 or newer.</p><h2 id=bug-fixes>Bug fixes</h2><ul><li><strong>Fixed</strong> Envoy listener configuration for TCP headless services. (<a href=https://github.com/istio/istio/issues/17748>Issue #17748</a>)</li><li><strong>Fixed</strong> an issue which caused stale 