MiracleLinux 9 : fence-agents-4.10.0-98.el9_7.4 (AXSA:2026-116:01)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-116:01 advisory. urllib3: urllib3: Unbounded decompression chain leads to resource exhaustion CVE-2025-66418 urllib3: urllib3 Streaming API improperly handles highly...

Important: Red Hat Security Advisory: python3.11-urllib3 security update

An update for python3.11-urllib3 is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. 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...

SUSE-SU-2026:20175-1 Security update for python-urllib3

This update for python-urllib3 fixes the following issues: - CVE-2025-66471: Fixed excessive resource consumption via decompression of highly compressed data in Streaming API bsc1254867 - CVE-2025-66418: Fixed resource exhaustion via unbounded number of links in the decompression chain bsc1254866...

AlmaLinux 9 : python3.12-urllib3 (ALSA-2026:1088)

The remote AlmaLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:1088 advisory. urllib3: urllib3: Unbounded decompression chain leads to resource exhaustion CVE-2025-66418 urllib3: urllib3 Streaming API improperly handles highly...

urllib3: urllib3 Streaming API improperly handles highly compressed data

A decompression handling flaw has been discovered in urllib3. When streaming a compressed response, urllib3 can perform decoding or decompression based on the HTTP Content-Encoding header e.g., gzip, deflate, br, or zstd. The library must read compressed data from the network and decompress it...

Important: Red Hat Security Advisory: fence-agents security update

An update for fence-agents is now available for Red Hat Enterprise Linux 9. 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 vulnerability...

Important: Red Hat Security Advisory: python3.12-urllib3 security update

An update for python3.12-urllib3 is now available for Red Hat Enterprise Linux 8. 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...

urllib3: urllib3 Streaming API improperly handles highly compressed data

A decompression handling flaw has been discovered in urllib3. When streaming a compressed response, urllib3 can perform decoding or decompression based on the HTTP Content-Encoding header e.g., gzip, deflate, br, or zstd. The library must read compressed data from the network and decompress it...

Important: Red Hat Security Advisory: python3.11-urllib3 security update

An update for python3.11-urllib3 is now available for Red Hat Enterprise Linux 8. 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...

Important: Red Hat Security Advisory: python3.11-urllib3 security update

An update for python3.11-urllib3 is now available for Red Hat Enterprise Linux 9. 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...

Important: Red Hat Security Advisory: python-urllib3 security update

An update for python-urllib3 is now available for Red Hat Enterprise Linux 9. 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 vulnerability...

Important: fence-agents security update

The fence-agents packages provide a collection of scripts for handling remote power management for cluster devices. They allow failed or unreachable nodes to be forcibly restarted and removed from the cluster. Security Fixes: urllib3: urllib3: Unbounded decompression chain leads to resource...

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:...

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...

urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API)

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EUVD-2026-1188

urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP...

UBUNTU-CVE-2025-66471

urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.0 and prior to 2.6.0, the Streaming API improperly handles highly compressed data. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than...

CVE-2025-66471 urllib3 Streaming API improperly handles highly compressed data

urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.0 and prior to 2.6.0, the Streaming API improperly handles highly compressed data. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than...

CVE-2025-66471

CVE-2025-66471 affects urllib3’s streaming API handling of compressed HTTP responses in Python. The issue arises when streaming a highly compressed payload, where decompression could process data in a way that uses excessive CPU and memory, potentially from the decompression buffer behavior noted...

CVE-2025-62175

Mastodon is a free, open-source social network server based on ActivityPub. In versions before 4.4.6, 4.3.14, and 4.2.27, disabling or suspending a user account does not disconnect the account from the streaming API. This allows disabled or suspended accounts to continue receiving real-time updat...