=content><p>Istio 1.19.4 is now available! Click here to learn more</p></div><div class=frame></div></a></div><article class=post itemscope itemtype=http://schema.org/BlogPosting><div class=header-content><h1>ISTIO-SECURITY-2022-005</h1><p>Ill-formed headers sent to Envoy in certain configurations can lead to unexpected memory access resulting in undefined behavior or crashing.</p></div><p class=post-author>Jun 9, 2022</p><div><table><thead><tr><th colspan=2>Disclosure Details</th></tr></thead><tbody><tr><t