CVE-2026-42581 Netty: HTTP/1.0 TE+CL Coexistence Bypasses Smuggling Sanitization

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...

CVE-2026-42581 Netty: HTTP/1.0 TE+CL Coexistence Bypasses Smuggling Sanitization

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...

CVE-2026-39803

CVE-2026-39803 – Bandit (Elixir) memory exhaustion via chunked HTTP/1 bodies. The issue occurs in the chunked path of Elixir.Bandit.HTTP1.Socket.read_data/2 where the caller-supplied length is ignored; every received chunk is buffered into an iolist and the entire body is materialized as a single...

Netty 环境问题漏洞

Netty is a non-blocking I/O client-server framework from the Netty community. It is primarily used for developing Java network applications, such as protocol servers and clients. Versions of Netty prior to 4.2.13.Final and 4.1.133.Final contained environmental issues. These issues were caused by...

Netty 环境问题漏洞

Netty is a non-blocking I/O client-server framework developed by the Netty community. It is primarily used for developing Java network applications, such as protocol servers and clients. Versions of Netty prior to 4.2.13.Final and 4.1.133.Final contained environmental issues. These issues stemmed...

cowlib cow_http_te module: Uncontrolled Resource Consumption vulnerability allows Excessive Allocation

Uncontrolled Resource Consumption vulnerability in ninenines cowlib cowhttpte module allows Excessive Allocation. The chunked transfer-encoding parser in cowhttpte accepts an unbounded number of hex digits in the chunk-size field. Each digit causes a bignum multiplication Len 16 + digit, so parsi...

EUVD-2026-29200

Uncontrolled Resource Consumption vulnerability in ninenines cowlib cowhttpte module allows Excessive Allocation. The chunked transfer-encoding parser in cowhttpte accepts an unbounded number of hex digits in the chunk-size field. Each digit causes a bignum multiplication Len 16 + digit, so parsi...

CVE-2026-7790 Unbounded chunk-size hex digits in cowlib cause quadratic CPU and memory DoS

Uncontrolled Resource Consumption vulnerability in ninenines cowlib cowhttpte module allows Excessive Allocation. The chunked transfer-encoding parser in cowhttpte accepts an unbounded number of hex digits in the chunk-size field. Each digit causes a bignum multiplication Len 16 + digit, so parsi...

CVE-2026-7790 Unbounded chunk-size hex digits in cowlib cause quadratic CPU and memory DoS

Uncontrolled Resource Consumption vulnerability in ninenines cowlib cowhttpte module allows Excessive Allocation. The chunked transfer-encoding parser in cowhttpte accepts an unbounded number of hex digits in the chunk-size field. Each digit causes a bignum multiplication Len 16 + digit, so parsi...

CVE-2026-7790

Uncontrolled Resource Consumption vulnerability in ninenines cowlib cowhttpte module allows Excessive Allocation. The chunked transfer-encoding parser in cowhttpte accepts an unbounded number of hex digits in the chunk-size field. Each digit causes a bignum multiplication Len 16 + digit, so parsi...

Unity Linux 20.1070e Security Update: netty (UTSA-2026-017789)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017789 advisory. HttpObjectDecoder.java in Netty before 4.1.44 allows a Content-Length header to be accompanied by a second Content-Length header, or by a Transfer-Encoding header...

Unity Linux 20.1060e / 20.1070e Security Update: tomcat (UTSA-2026-017511)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017511 advisory. Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances...

Unity Linux 20.1060e / 20.1070e Security Update: rubygem-puma (UTSA-2026-017512)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017512 advisory. In Puma RubyGem before 4.3.4 and 3.12.5, an attacker could smuggle an HTTP response, by using an invalid transfer-encoding header. The problem has been fixed in Puma...

Cowlib 资源管理错误漏洞

Cowlib is a web protocol message parsing and building library developed by Nine Nines. In versions 0.6.0 to 2.16.1 of Cowlib, there was a resource management error vulnerability. This vulnerability stemmed from the block transfer encoding parser in the cowhttpte module, which allowed unlimited...

Fedora 42 : perl-Starman (2026-4cca750484)

The remote Fedora 42 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-4cca750484 advisory. Starman versions before 0.4018 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starman incorrectly prioritizes Content-Length over...

Fedora 43 : perl-Starman (2026-b94aad33a5)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-b94aad33a5 advisory. Starman versions before 0.4018 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starman incorrectly prioritizes Content-Length over...

CVE-2026-40562

Gazelle versions through 0.49 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Gazelle incorrectly prioritizes "Content-Length" over "Transfer-Encoding: chunked" when both headers are present in an HTTP request. Per RFC 7230 3.3.3, Transfer-Encoding must take precedence. An...

MGASA-2026-0119 Updated perl-Starman packages fix security vulnerability

Starman versions before 0.4018 for Perl allow HTTP Request Smuggling via Improper Header Precedence. Starman incorrectly prioritizes "Content-Length" over "Transfer-Encoding: chunked" when both headers are present in an HTTP request. Per RFC 7230 3.3.3, Transfer-Encoding must take precedence. An...

Updated perl-Starman packages fix security vulnerability

Starman versions before 0.4018 for Perl allow HTTP Request Smuggling via Improper Header Precedence. Starman incorrectly prioritizes "Content-Length" over "Transfer-Encoding: chunked" when both headers are present in an HTTP request. Per RFC 7230 3.3.3, Transfer-Encoding must take precedence. An...

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 when parsed HTTP requests contain malformed Transfer-Encoding headers...