Astra Linux – Vulnerability in Netty

The HttpObjectDecoder.java file in Netty before version 4.1.44 allowed a Content-Length header to be accompanied by a second Content-Length header, or by a Transfer-Encoding header...

Astra Linux – Vulnerability in Netty

Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high-performance protocol servers and clients. In Netty io.netty:netty-codec-http2 before version 4.1.61.Final, there is a vulnerability that allows for request smuggling. This...

Astra Linux – Vulnerability in Puma

Puma is a Ruby/Rack web server designed for parallelism. Prior to versions 6.3.1 and 5.6.7, Puma exhibited incorrect behavior when parsing chunked transfer encoding bodies and zero-length Content-Length headers, which could allow HTTP request smuggling. The severity of this issue heavily depends ...

GHSA-9Q9Q-324X-93R2 Bandit: Unauthenticated one-shot DoS via `Transfer-Encoding: chunked`

Summary Bandit's HTTP/1 chunked-body reader silently drops the request size cap that the application configures e.g. Plug.Parsers' default 8 MB length: and buffers the entire body in memory before the application sees it. An unauthenticated attacker can crash any Bandit-fronted Phoenix/Plug app...

CLSA-2026-1779096552 Fix CVE(s): CVE-2025-13836, CVE-2026-4519

SECURITY UPDATE: memory denial of service via attacker-controlled Content-Length in http.client - debian/patches/CVE-2025-13836.patch: rewrite Lib/http/client.py saferead to read large responses in geometrically-growing chunks bounded by MINREADBUFSIZE 1 MiB, preventing OOM when a malicious serve...

Security update for rmt-server

This update for rmt-server fixes the following issues CVE-2026-26961: rack: mismatch in header handling can allow to smuggle multipart content bsc1261398. CVE-2026-26962: rack: improper unfolding of folded multipart headers can lead to header injection or response splitting bsc1261471...

SUSE-SU-2026:1964-1 Security update for rmt-server

This update for rmt-server fixes the following issues - CVE-2026-26961: rack: mismatch in header handling can allow to smuggle multipart content bsc1261398. - CVE-2026-26962: rack: improper unfolding of folded multipart headers can lead to header injection or response splitting bsc1261471. -...

Security Bulletin: Erlang OTP inets httpd Vulnerable to HTTP Request Smuggling via Duplicate Content-Length Headers

Summary Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in Erlang OTP inets httpd module allows HTTP Request Smuggling. This vulnerability is associated with program files lib/inets/src/httpserver/httpdrequest.erl and program routines httpdrequest:parseheaders/...

Updated haproxy packages fix security vulnerability

The HTTP/3 parser does not check that the received body length matches a previously announced content-length when the stream is closed via a frame with an empty payload. This can cause desynchronization issues with the backend server and could be used for request smuggling. CVE-2026-33555...

CLSA-2026-1778836031 libsoup: Fix of CVE-2026-2708

CVE-2026-2708: reject duplicate Content-Length headers with different values to prevent HTTP request smuggling per RFC 9110 section 7.7...

CLSA-2026-1778756991 libsoup: Fix of CVE-2026-2708

CVE-2026-2708: reject duplicate Content-Length headers with different values to prevent HTTP request smuggling per RFC 9110 section 7.7...

[SECURITY] Fedora 42 Update: nginx-mod-headers-more-0.39-9.fc42

This module allows adding, setting, or clearing specified input/output header s. This is an enhanced version of the standard headers module because it provides more utilities like resetting or clearing "builtin headers" like Content-Type, Content-Length, and Server...

[SECURITY] Fedora 44 Update: nginx-mod-headers-more-0.39-9.fc44

This module allows adding, setting, or clearing specified input/output header s. This is an enhanced version of the standard headers module because it provides more utilities like resetting or clearing "builtin headers" like Content-Type, Content-Length, and Server...

CVE-2026-39805

A flaw was found in Bandit, an HTTP server. This vulnerability allows for HTTP request smuggling due to the server's inconsistent handling of duplicate Content-Length headers in HTTP requests. An unauthenticated attacker can exploit this by sending a specially crafted request. If Bandit is...

SUSE CVE-2026-42581

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, HttpObjectDecoder strips a conflicting Content-Length header when a request carries both Transfer-Encoding: chunked and Content-Length, but only for HTTP/1.1 messages. The guard is absen...

Security Bulletin: Erlang OTP inets httpd HTTP Request Smuggling via Duplicate Content-Length Handling

Summary Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in Erlang OTP inets httpd module allows HTTP Request Smuggling. This vulnerability is associated with program files lib/inets/src/httpserver/httpdrequest.erl and program routines httpdrequest:parseheaders/...

TencentOS Server 4: libsoup3 (TSSA-2026:0274)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0274 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

Linux Distros Unpatched Vulnerability : CVE-2026-42581

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, HttpObjectDecoder strips a conflicting...

CVE-2026-42581

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, HttpObjectDecoder strips a conflicting Content-Length header when a request carries both Transfer-Encoding: chunked and Content-Length, but only for HTTP/1.1 messages. The guard is absen...

DEBIAN-CVE-2026-42581

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, HttpObjectDecoder strips a conflicting Content-Length header when a request carries both Transfer-Encoding: chunked and Content-Length, but only for HTTP/1.1 messages. The guard is absen...