Important: python3.12-urllib3 security update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...

ALSA-2026:1254 Important: python-urllib3 security update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...

ALSA-2026:1088 Important: python3.12-urllib3 security update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...

ALSA-2026:1089 Important: python3.11-urllib3 security update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...

ALSA-2026:1087 Important: python-urllib3 security update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...

Important: python-urllib3 security update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...

Medium: python3.12-pip

Issue Overview: urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.24 and prior to 2.6.0, the number of links in the decompression chain was unbounded allowing a malicious server to insert a virtually unlimited number of compression steps leading to high CPU usage an...

CBL Mariner 2.0 Security Update: CBL-Mariner Releases (CVE-2025-66418)

The version of CBL-Mariner Releases installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-66418 advisory. - urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.24 and prior ...

CVE-2026-22036

Undici is an HTTP/1.1 client for Node.js. Prior to 7.18.0 and 6.23.0, the number of links in the decompression chain is unbounded and the default maxHeaderSize allows a malicious server to insert thousands compression steps leading to high CPU usage and excessive memory allocation. This...

EUVD-2026-2422

Undici is an HTTP/1.1 client for Node.js. Prior to 7.18.0 and 6.23.0, the number of links in the decompression chain is unbounded and the default maxHeaderSize allows a malicious server to insert thousands compression steps leading to high CPU usage and excessive memory allocation. This...

Denial-of-Service (DoS)

urllib3 is vulnerable to a Denial-Of-Service DoS. The vulnerability is due to unbounded decompression of redirect response bodies in the streaming API, where urllib3 decompresses entire redirect responses regardless of read limits, allowing a malicious server to trigger excessive resource...

Amazon Linux 2 : python-urllib3, --advisory ALAS2-2025-3110 (ALAS-2025-3110)

The version of python-urllib3 installed on the remote host is prior to 1.25.9-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2025-3110 advisory. urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.24 and prior to 2.6.0, the number...

TencentOS Server 4: python-urllib3 (TSSA-2025:0972)

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-2025:0972 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

Denial Of Service (DoS)

urllib3 is vulnerable to a Denial-Of-Service DoS. The vulnerability is due to an unbounded decompression chain, where nested compression layers are not limited, allowing a malicious server to send specially crafted responses that trigger excessive CPU usage and large memory allocation during...

SUSE CVE-2025-66418

urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.24 and prior to 2.6.0, the number of links in the decompression chain was unbounded allowing a malicious server to insert a virtually unlimited number of compression steps leading to high CPU usage and massive memory...

Node.js: Unbounded decompression chain in HTTP responses on Node.js Fetch API via Content-Encoding leads to resource exhaustion

A vulnerability was discovered in the Fetch API of Node.js that allowed an unbounded number of links in the decompression chain for HTTP responses. This could lead to resource exhaustion, as the default maxHeaderSize allowed a malicious server to insert thousands of compression steps, resulting i...

Linux Distros Unpatched Vulnerability : CVE-2025-66418

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.24 and prior to 2.6.0, the number of links in the decompression chain was...

urllib3 allows an unbounded number of links in the decompression chain

Impact urllib3 supports chained HTTP encoding algorithms for response content according to RFC 9110 e.g., Content-Encoding: gzip, zstd. However, the number of links in the decompression chain was unbounded allowing a malicious server to insert a virtually unlimited number of compression steps...

GHSA-GM62-XV2J-4W53 urllib3 allows an unbounded number of links in the decompression chain

Impact urllib3 supports chained HTTP encoding algorithms for response content according to RFC 9110 e.g., Content-Encoding: gzip, zstd. However, the number of links in the decompression chain was unbounded allowing a malicious server to insert a virtually unlimited number of compression steps...

ALPINE-CVE-2025-66418

urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.24 and prior to 2.6.0, the number of links in the decompression chain was unbounded allowing a malicious server to insert a virtually unlimited number of compression steps leading to high CPU usage and massive memory...