netty-codec-http: Netty is vulnerable to request smuggling due to incorrect parsing of chunk extensions

A flaw in Netty’s HTTP/1.1 chunked encoding parser allows newline LF characters in chunk extensions to be incorrectly treated as the end of the chunk-size line instead of requiring the proper CRLF sequence. This discrepancy can be exploited in rare cases where a reverse proxy interprets the same...

netty-codec-http: Netty is vulnerable to request smuggling due to incorrect parsing of chunk extensions

A flaw in Netty’s HTTP/1.1 chunked encoding parser allows newline LF characters in chunk extensions to be incorrectly treated as the end of the chunk-size line instead of requiring the proper CRLF sequence. This discrepancy can be exploited in rare cases where a reverse proxy interprets the same...

netty-codec-http: Netty is vulnerable to request smuggling due to incorrect parsing of chunk extensions

A flaw in Netty’s HTTP/1.1 chunked encoding parser allows newline LF characters in chunk extensions to be incorrectly treated as the end of the chunk-size line instead of requiring the proper CRLF sequence. This discrepancy can be exploited in rare cases where a reverse proxy interprets the same...

netty-codec-http: Netty is vulnerable to request smuggling due to incorrect parsing of chunk extensions

A flaw in Netty’s HTTP/1.1 chunked encoding parser allows newline LF characters in chunk extensions to be incorrectly treated as the end of the chunk-size line instead of requiring the proper CRLF sequence. This discrepancy can be exploited in rare cases where a reverse proxy interprets the same...

GHSA-FGHV-69VJ-QJ49 Netty vulnerable to request smuggling due to incorrect parsing of chunk extensions

Summary A flaw in netty's parsing of chunk extensions in HTTP/1.1 messages with chunked encoding can lead to request smuggling issues with some reverse proxies. Details When encountering a newline character LF while parsing a chunk extension, netty interprets the newline as the end of the...

Denial of service via chunk extensions in net/http

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CVE-2025-58056 Netty is vulnerable to request smuggling due to incorrect parsing of chunk extensions

Netty is an asynchronous event-driven network application framework for development of maintainable high performance protocol servers and clients. In versions 4.1.124.Final, and 4.2.0.Alpha3 through 4.2.4.Final, Netty incorrectly accepts standalone newline characters LF as a chunk-size line...

CVE-2025-58056

The CVE-2025-58056 vulnerability in Netty (affecting 4.1.124.Final and 4.2.0.Alpha3 through 4.2.4.Final) allows HTTP request smuggling when a reverse proxy treats LF as a chunk-size terminator, bypassing CRLF requirements. Netty requires CRLF per HTTP/1.1, but due to LF handling, a proxy can send...

K000152677: Golang net/http vulnerabilities CVE-2023-39326 and CVE-2024-24791

Security Advisory Description CVE-2023-39326 A malicious HTTP sender can use chunk extensions to cause a receiver reading from a request or response body to read many more bytes from the network than are in the body. A malicious HTTP client can further exploit this to cause a server to...

Alibaba Cloud Linux 3 : 0033: go-toolset:rhel8 (ALINUX3-SA-2024:0033)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2024:0033 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2023-39325: A malicious HTTP/2 client...

UBUNTU-CVE-2025-22871

The net/http package improperly accepts a bare LF as a line terminator in chunked data chunk-size lines. This can permit request smuggling if a net/http server is used in conjunction with a server that incorrectly accepts a bare LF as part of a chunk-ext...

OESA-2025-1047 python-aiohttp security update

Async http client/server framework asyncio. Security Fixes: aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.10.11, the Python parser parses newlines in chunk extensions incorrectly which can lead to request smuggling vulnerabilities under certain...

OESA-2025-1046 python-aiohttp security update

Async http client/server framework asyncio. Security Fixes: aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.10.11, the Python parser parses newlines in chunk extensions incorrectly which can lead to request smuggling vulnerabilities under certain...

aiohttp: aiohttp vulnerable to request smuggling due to incorrect parsing of chunk extensions

A flaw was found in the aiohttp package. The Python parser parses newlines in chunk extensions incorrectly, which can lead to request smuggling vulnerabilities under certain conditions. If a pure Python version of aiohttp is installed, for example, without the usual C extensions, or...

aiohttp: aiohttp vulnerable to request smuggling due to incorrect parsing of chunk extensions

A flaw was found in the aiohttp package. The Python parser parses newlines in chunk extensions incorrectly, which can lead to request smuggling vulnerabilities under certain conditions. If a pure Python version of aiohttp is installed, for example, without the usual C extensions, or...

SUSE SLES15 / openSUSE 15 Security Update : python-aiohttp (SUSE-SU-2024:4110-1)

The remote SUSE Linux SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2024:4110-1 advisory. - CVE-2024-52304: Fixed request smuggling due to incorrect parsing of chunk extensions bsc1233447 Tenable has extracted the...

Security update for python-aiohttp

This update for python-aiohttp fixes the following issues: CVE-2024-52304: Fixed request smuggling due to incorrect parsing of chunk extensions bsc1233447 Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch"...

SUSE-SU-2024:4110-1 Security update for python-aiohttp

This update for python-aiohttp fixes the following issues: - CVE-2024-52304: Fixed request smuggling due to incorrect parsing of chunk extensions bsc1233447...

openSUSE Security Advisory (SUSE-SU-2024:4077-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Security update for python-aiohttp

This update for python-aiohttp fixes the following issues: CVE-2024-52304: Fixed request smuggling due to incorrect parsing of chunk extensions bsc1233447 Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch"...