Important: Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.5 Container Release Update

An update is now available for Red Hat Ansible Automation Platform 2.5 Red Hat Ansible Automation Platform provides an enterprise framework for building, deploying and managing IT automation at scale. IT Managers can provide top-down guidelines on how automation is applied to individual teams,...

CVE-2021-21390

MinIO is an open-source high performance object storage service and it is API compatible with Amazon S3 cloud storage service. In MinIO before version RELEASE.2021-03-17T02-33-02Z, there is a vulnerability which enables MITM modification of request bodies that are meant to have integrity guarante...

CVE-2019-17565

There is a vulnerability in Apache Traffic Server 6.0.0 to 6.2.3, 7.0.0 to 7.1.8, and 8.0.0 to 8.0.5 with a smuggling attack and chunked encoding. Upgrade to versions 7.1.9 and 8.0.6 or later versions...

Security update for python-httpcore, python-h11

This update for python-httpcore, python-h11 fixes the following issues: python-h11: - Update 0.16.0: CVE-2025-43859: Fixed accepting of malformed Chunked-Encoding bodies bsc1241872 - 0.15.0: Reject Content-Lengths = 1 zettabyte 1 billion terabytes early, without attempting to parse the integer...

SUSE-SU-2025:20331-1 Security update for python-httpcore, python-h11

This update for python-httpcore, python-h11 fixes the following issues: python-h11: - Update 0.16.0: CVE-2025-43859: Fixed accepting of malformed Chunked-Encoding bodies bsc1241872 - 0.15.0: Reject Content-Lengths = 1 zettabyte 1 billion terabytes early, without attempting to parse the integer 18...

SUSE-SU-2025:20330-1 Security update for python-h11, python-httpcore

This update for python-h11, python-httpcore fixes the following issues: python-h11: - Update 0.16.0: CVE-2025-43859: Fixed accepting of malformed Chunked-Encoding bodies bsc1241872 - 0.15.0: Reject Content-Lengths = 1 zettabyte 1 billion terabytes early, without attempting to parse the integer 18...

CVE-2025-4600

A request smuggling vulnerability existed in the Google Cloud Classic Application Load Balancer due to improper handling of chunked-encoded HTTP requests. This allowed attackers to craft requests that could be misinterpreted by backend servers. The issue was fixed by disallowing stray data after ...

CVE-2025-4600 HTTP Request Smuggling in Google Cloud Classic Application Load Balancer due to Improper Chunked Encoding Validation

A request smuggling vulnerability existed in the Google Cloud Classic Application Load Balancer due to improper handling of chunked-encoded HTTP requests. This allowed attackers to craft requests that could be misinterpreted by backend servers. The issue was fixed by disallowing stray data after ...

Important: Red Hat Security Advisory: Red Hat OpenStack Platform 17.1 (python-h11) security update

An update for python-h11 is now available for Red Hat OpenStack Platform 17.1 Wallaby. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

h11: h11 accepts some malformed Chunked-Encoding bodies

A flaw was found in the h11. This vulnerability allows request smuggling via improper parsing of chunked-coding message bodies, where h11 fails to validate the required \r\n terminators...

h11: h11 accepts some malformed Chunked-Encoding bodies

A flaw was found in the h11. This vulnerability allows request smuggling via improper parsing of chunked-coding message bodies, where h11 fails to validate the required \r\n terminators...

RHEL 9 : Red Hat OpenStack Platform 18.0 (python-h11) (RHSA-2025:7535)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2025:7535 advisory. Security Fixes: h11 accepts some malformed Chunked-Encoding bodies CVE-2025-43859 For more details about the security issues, including the impact, a...

Important: amazon-cloudwatch-agent

Issue Overview: The net/http package accepted data in the chunked transfer encoding containing an invalid chunk-size line terminated by a bare LF. When used in conjunction with a server or proxy which incorrectly interprets a bare LF in a chunk extension as part of the extension, this could permi...

Important: docker

Issue Overview: The net/http package accepted data in the chunked transfer encoding containing an invalid chunk-size line terminated by a bare LF. When used in conjunction with a server or proxy which incorrectly interprets a bare LF in a chunk extension as part of the extension, this could permi...

Important: docker

Issue Overview: The net/http package accepted data in the chunked transfer encoding containing an invalid chunk-size line terminated by a bare LF. When used in conjunction with a server or proxy which incorrectly interprets a bare LF in a chunk extension as part of the extension, this could permi...

FreeBSD : h11 accepts some malformed Chunked-Encoding bodies (df126e23-24fa-11f0-ab92-f02f7497ecda)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the df126e23-24fa-11f0-ab92-f02f7497ecda advisory. h11 reports: h11 is a Python implementation of HTTP/1.1. Prior to version 0.16.0, a leniency in h11's...

Important: docker

Issue Overview: The net/http package accepted data in the chunked transfer encoding containing an invalid chunk-size line terminated by a bare LF. When used in conjunction with a server or proxy which incorrectly interprets a bare LF in a chunk extension as part of the extension, this could permi...

OESA-2025-1451 etcd security update

%expand: Security Fixes: 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 automatically read a large...

CVE-2025-43859 h11 accepts some malformed Chunked-Encoding bodies

h11 is a Python implementation of HTTP/1.1. Prior to version 0.16.0, a leniency in h11's parsing of line terminators in chunked-coding message bodies can lead to request smuggling vulnerabilities under certain conditions. This issue has been patched in version 0.16.0. Since exploitation requires...

CVE-2025-43859 h11 accepts some malformed Chunked-Encoding bodies

h11 is a Python implementation of HTTP/1.1. Prior to version 0.16.0, a leniency in h11's parsing of line terminators in chunked-coding message bodies can lead to request smuggling vulnerabilities under certain conditions. This issue has been patched in version 0.16.0. Since exploitation requires...