ROOT-APP-MAVEN-CVE-2026-56745 CVE-2026-56745 in io.netty:netty-codec-http - Patched by Root

Root has patched CVE-2026-56745 in the io.netty:netty-codec-http package for Root:Maven. Multiple fixed versions available...

Linux Distros Unpatched Vulnerability : CVE-2026-100666

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty's HttpServerCodec io.netty:netty-codec-http in versions 4.2.0.Final through 4.2.16.Final and in versions up to and including 4.1.136.Final pairs each...

HTTP Request Smuggling

Overview io.netty:netty-codec-http is a network application framework for rapid development of maintainable high performance protocol servers & clients. Affected versions of this package are vulnerable to HTTP Request Smuggling in the isContentAlwaysEmpty method of HttpServerCodec, which calls...

DEBIAN-CVE-2026-100666

Netty's HttpServerCodec io.netty:netty-codec-http in versions 4.2.0.Final through 4.2.16.Final and in versions up to and including 4.1.136.Final pairs each outbound response with an inbound request by calling pollMethod once per response, including for 1xx informational responses. If a client...

CVE-2026-100666

Netty's HttpServerCodec io.netty:netty-codec-http in versions 4.2.0.Final through 4.2.16.Final and in versions up to and including 4.1.136.Final pairs each outbound response with an inbound request by calling pollMethod once per response, including for 1xx informational responses. If a client...

CVE-2026-100666

The io.netty:netty-codec-http component in Netty's HttpServerCodec is vulnerable in versions 4.2.0.Final through 4.2.16.Final and up to 4.1.136.Final . The root cause is that the codec pairs outbound responses with inbound requests by calling pollMethod() once per response, including 1xx informat...

CVE-2026-100666

Netty's HttpServerCodec io.netty:netty-codec-http in versions 4.2.0.Final through 4.2.16.Final and in versions up to and including 4.1.136.Final pairs each outbound response with an inbound request by calling pollMethod once per response, including for 1xx informational responses. If a client...

CVE-2026-100656

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EUVD-2026-87750

Netty io.netty:netty-codec-http contains an unbounded per-connection queue growth flaw in HttpServerCodec. The codec tracks the HTTP method of each still-unanswered pipelined request; the first 32 entries are bit-packed into a single long, but every additional entry is appended to...

CVE-2026-100655

Removed by vendor...

CVE-2026-93574

A flaw was found in Netty's netty-codec-http component. A remote attacker could exploit this vulnerability by sending a specially crafted HTTP/1.1 chunk-size token that includes post-digit whitespace. This incorrect parsing of the chunk size can lead to HTTP request smuggling. This allows an...

Allocation of Resources Without Limits or Throttling

Overview io.netty:netty-codec-http is a network application framework for rapid development of maintainable high performance protocol servers & clients. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the enqueueMethod method of...

Allocation of Resources Without Limits or Throttling

Amendment This was deemed not a vulnerability. Overview io.netty:netty-codec-http is a network application framework for rapid development of maintainable high performance protocol servers & clients. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or...

CVE-2022-24823

Netty is an open-source, asynchronous event-driven network application framework. The package io.netty:netty-codec-http prior to version 4.1.77.Final contains an insufficient fix for CVE-2021-21290. When Netty's multipart decoders are used local information disclosure can occur via the local syst...

CVE-2022-24823: Exposure of Resource to Wrong Sphere

Netty is an open-source, asynchronous event-driven network application framework. The package io.netty:netty-codec-http prior to version 4.1.77.Final contains an insufficient fix for CVE-2021-21290. When Netty's multipart decoders are used local information disclosure can occur via the local syst...

HTTP Request Smuggling

io.netty:netty-codec-http is vulnerable to HTTP request smuggling. Improper validation of control chars, when they are present at the beginning and/or end of the header name leads to HTTP request smuggling which allows an attacker to exploit other remote systems when these headers are used as a...