6.4</h1><p>Istio 1.6.4 security release.</p></div><p class=post-author>Jun 30, 2020</p><div><p>This release fixes the security vulnerability described in <a href=/v1.13/news/security/istio-security-2020-007>our June 30th, 2020 news post</a>.</p><p>This release note describes what&rsquo;s different between Istio 1.6.4 and Istio 1.6.3.</p><div class="relnote-actions call-to-action"><a class=entry href=/v1.13/news/releases/1.6.x/announcing-1.6/upgrade-notes/><h5>BEFORE YOU UPGRADE</h5><p>Things to know and pre