--- title: Istio / ISTIO-SECURITY-2024-003 | daily.dev description: Disclosure of CVEs reported by Envoy, including abnormal termination vulnerability when using `auto_sni` with `:authority` header longer than 255 characters. canonical: https://daily.dev/posts/istio-istio-security-2024-003-zksz8vfv1 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Istio / ISTIO-SECURITY-2024-003 | daily.dev og:description: Disclosure of CVEs reported by Envoy, including abnormal termination vulnerability when using `auto_sni` with `:authority` header longer than 255 characters. og:url: https://daily.dev/posts/istio-istio-security-2024-003-zksz8vfv1 og:image: https://api.daily.dev/og/posts/ZksZ8VFv1.png og:image:alt: Istio / ISTIO-SECURITY-2024-003 og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Istio / ISTIO-SECURITY-2024-003 **[Istio](https://daily.dev/sources/istio)** · 1 min read · 0 upvotes · 0 comments ## Summary Disclosure of CVEs reported by Envoy, including abnormal termination vulnerability when using `auto_sni` with `:authority` header longer than 255 characters. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#security](https://daily.dev/tags/security), [#vulnerability](https://daily.dev/tags/vulnerability), [#istio](https://daily.dev/tags/istio), [#envoy](https://daily.dev/tags/envoy) [View this post on daily.dev](https://daily.dev/posts/istio-istio-security-2024-003-zksz8vfv1) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Istio / ISTIO-SECURITY-2024-003","url":"https://daily.dev/posts/istio-istio-security-2024-003-zksz8vfv1","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/istio-istio-security-2024-003-zksz8vfv1"},"datePublished":"2024-04-22T18:01:18.981Z","dateModified":"2024-05-09T09:13:33.132Z","description":"Disclosure of CVEs reported by Envoy, including abnormal termination vulnerability when using `auto_sni` with `:authority` header longer than 255 characters.","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/c6099bba9727c2a15aee6bdc2485513c?_a=AQAEufR","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/c6099bba9727c2a15aee6bdc2485513c?_a=AQAEufR","isAccessibleForFree":true,"articleSection":"Istio","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Istio","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/istio","url":"https://daily.dev/sources/istio"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/istio-istio-security-2024-003-zksz8vfv1","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"security,vulnerability,istio,envoy","timeRequired":"PT1M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Istio","item":"https://daily.dev/sources/istio"},{"@type":"ListItem","position":3,"name":"Istio / ISTIO-SECURITY-2024-003"}]} ```