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 HttpObjectDecoder component. An attacker can manipulate...

GHSA-XXQH-MFJM-7MV9 Netty HTTP/1.0 TE+CL Coexistence Bypasses Smuggling Sanitization

NETTY HTTP/1.0 TE+CL Coexistence Bypasses Smuggling Sanitization | Field | Value | |-----------|-------| | Library | io.netty:netty-codec-http | | Component | codec-http — HttpObjectDecoder | | Severity | HIGH | | Affects | HEAD, commit 4f3533ae confirmed | --- Summary HttpObjectDecoder strips a...

Netty HTTP/1.0 TE+CL Coexistence Bypasses Smuggling Sanitization

NETTY HTTP/1.0 TE+CL Coexistence Bypasses Smuggling Sanitization | Field | Value | |-----------|-------| | Library | io.netty:netty-codec-http | | Component | codec-http — HttpObjectDecoder | | Severity | HIGH | | Affects | HEAD, commit 4f3533ae confirmed | --- Summary HttpObjectDecoder strips a...

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 via the getChunkSize function. An attacker can inject unauthorized HT...

Netty vulnerable to HTTP Request Smuggling due to incorrect chunk size parsing

Summary Netty's chunk size parser silently overflows int, enabling request smuggling attacks. Details io.netty.handler.codec.http.HttpObjectDecodergetChunkSize silently overflows int. The size is accumulated as follows: result = 16; result += digit; The result is checked only for negative values...

GHSA-M4CV-J2PX-7723 Netty vulnerable to HTTP Request Smuggling due to incorrect chunk size parsing

Summary Netty's chunk size parser silently overflows int, enabling request smuggling attacks. Details io.netty.handler.codec.http.HttpObjectDecodergetChunkSize silently overflows int. The size is accumulated as follows: result = 16; result += digit; The result is checked only for negative values...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: php (UTSA-2026-016509)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016509 advisory. In PHP versions 8.1. before 8.1.31, 8.2. before 8.2.26, 8.3. before 8.3.14, when using streams with configured proxy and requestfulluri option, the URI is not proper...

Fedora 44 : perl-Starman (2026-5bb108e1b7)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-5bb108e1b7 advisory. Starman versions before 0.4018 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starman incorrectly prioritizes Content-Length over...

PT-2026-38377

Name of the Vulnerable Software and Affected Versions Netty versions prior to 4.2.13.Final Netty versions prior to 4.1.133.Final Description Netty incorrectly parses malformed Transfer-Encoding headers, which can lead to request smuggling attacks. Specifically, the framework incorrectly marks a...

PT-2026-38373

Name of the Vulnerable Software and Affected Versions Netty versions prior to 4.2.13.Final Netty versions prior to 4.1.133.Final Description Netty's chunk size parser silently overflows an integer, which allows for request smuggling attacks. This occurs within the getChunkSize function of the...

Linux Distros Unpatched Vulnerability : CVE-2026-41417

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty allows request-line validation to be bypassed when a DefaultHttpRequest or DefaultFullHttpRequest is created first and its URI is later changed via setUri...

DEBIAN-CVE-2026-41417

Netty allows request-line validation to be bypassed when a DefaultHttpRequest or DefaultFullHttpRequest is created first and its URI is later changed via setUri. The constructors reject CRLF and whitespace characters that would break the start-line, but setUri does not apply the same validation...

CVE-2026-41417

Netty allows request-line validation to be bypassed when a DefaultHttpRequest or DefaultFullHttpRequest is created first and its URI is later changed via setUri. The constructors reject CRLF and whitespace characters that would break the start-line, but setUri does not apply the same validation...

CVE-2026-41417 Netty vulnerable to HTTP request smuggling and RTSP request injection via DefaultHttpRequest.setUri()

Netty allows request-line validation to be bypassed when a DefaultHttpRequest or DefaultFullHttpRequest is created first and its URI is later changed via setUri. The constructors reject CRLF and whitespace characters that would break the start-line, but setUri does not apply the same validation...

CVE-2026-41417 Netty vulnerable to HTTP request smuggling and RTSP request injection via DefaultHttpRequest.setUri()

Netty allows request-line validation to be bypassed when a DefaultHttpRequest or DefaultFullHttpRequest is created first and its URI is later changed via setUri. The constructors reject CRLF and whitespace characters that would break the start-line, but setUri does not apply the same validation...

CVE-2026-41417

CVE-2026-41417 — Netty HTTP/RTSP injection flaw : Netty allows CRLF characters in a URI when created via DefaultHttpRequest or DefaultFullHttpRequest and later modified with setUri(), bypassing constructor validation. Consequently, HttpRequestEncoder and RtspEncoder may embed attacker-controlled ...

CVE-2026-41417

Netty allows request-line validation to be bypassed when a DefaultHttpRequest or DefaultFullHttpRequest is created first and its URI is later changed via setUri. The constructors reject CRLF and whitespace characters that would break the start-line, but setUri does not apply the same validation...

CVE-2026-41417 Netty vulnerable to HTTP request smuggling and RTSP request injection via DefaultHttpRequest.setUri()

Netty allows request-line validation to be bypassed when a DefaultHttpRequest or DefaultFullHttpRequest is created first and its URI is later changed via setUri. The constructors reject CRLF and whitespace characters that would break the start-line, but setUri does not apply the same validation...

CVE-2026-41417

Netty allows request-line validation to be bypassed when a DefaultHttpRequest or DefaultFullHttpRequest is created first and its URI is later changed via setUri. The constructors reject CRLF and whitespace characters that would break the start-line, but setUri does not apply the same validation...

io.netty/netty-codec-http: Netty: Request smuggling via incorrect parsing of HTTP/1.1 chunked transfer encoding extension values

A flaw was found in Netty. A remote attacker could exploit this vulnerability by sending specially crafted HTTP/1.1 chunked transfer encoding extension values. Due to incorrect parsing of quoted strings, this flaw enables request smuggling attacks, potentially allowing an attacker to bypass...