{"id":82310,"date":"2026-07-21T02:48:07","date_gmt":"2026-07-20T23:18:07","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-55833-netty-spdy-zlib-header-block-continues-decoded-expansion-after-maxheadersize-truncation\/"},"modified":"2026-07-21T02:48:07","modified_gmt":"2026-07-20T23:18:07","slug":"cve-2026-55833-netty-spdy-zlib-header-block-continues-decoded-expansion-after-maxheadersize-truncation","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-55833-netty-spdy-zlib-header-block-continues-decoded-expansion-after-maxheadersize-truncation\/","title":{"rendered":"CVE-2026-55833 &#8211; Netty SPDY zlib header block continues decoded expansion after maxHeaderSize truncation"},"content":{"rendered":"<p>CVE ID :CVE-2026-55833<\/p>\n<p>  Published : July 20, 2026, 11:18 p.m. | 26\u00a0minutes ago<\/p>\n<p>  Description :Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final, Netty SPDY header decoding continues inflating zlib-compressed header blocks after the raw header parser has exceeded `maxHeaderSize` and marked the frame truncated in `SpdyFrameCodec`, allowing a remote peer to send a small compressed `HEADERS` block that expands into much larger raw header data and causes compression-amplified CPU and allocation churn. This issue is fixed in versions 4.1.136.Final and 4.2.16.Final.<\/p>\n<p>  Severity: 0.0 | NA<\/p>\n<p>  Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID :CVE-2026-55833 Published : July 20, 2026, 11:18 p.m. | 26\u00a0minutes ago Description :Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final, Netty SPDY header decoding continues inflating zlib-compressed header blocks after the raw header parser has exceeded `maxHeaderSize` and marked the frame truncated in &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-82310","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82310","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=82310"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82310\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=82310"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=82310"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=82310"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}