tion for this release.</p></a><a class=entry href=https://github.com/istio/istio/compare/1.4.1...1.4.2><h5>SOURCE CHANGES</h5><p>Inspect the full set of source code changes.</p></a></div><h2 id=security-update>Security update</h2><ul><li><strong>ISTIO-SECURITY-2019-007</strong> A heap overflow and improper input validation have been discovered in Envoy.</li></ul><p><strong><a href="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18801">CVE-2019-18801</a></strong>: Fix a vulnerability affecting Envoy