eep up-to-date and use a supported version.</div></aside></div><table><thead><tr><th>Minor Releases</th><th>Patched versions with no known CVEs</th></tr></thead><tbody><tr><td>1.22.x</td><td>1.22.2+</td></tr><tr><td>1.21.x</td><td>1.21.4+</td></tr></tbody></table><h2 id=supported-envoy-versions>Supported Envoy Versions</h2><p>Istio&rsquo;s data plane is based on <a href=https://github.com/envoyproxy/envoy>Envoy</a>.</p><p>The relationship between the two project&rsquo;s versions:</p><table><thead><tr><th>Is