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Red Hat Security Advisory: python-urllib3 security update
Checked 5 Oct 2026. BlackTree preserves the last verified facts if a later source check is temporarily unavailable.
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SECURITY ADVISORYRED HATVERIFIED
PUBLISHER UPDATE · RHSA-2026-9031
RHSA-2026-9031 release notes and known issues
Red Hat Security Advisory: python-urllib3 security update
Scope: Red Hat Enterprise Linux. This update record adds version, fix and known-issue context. Its publication date is not a lifecycle boundary.
Summary
An update for python-urllib3 is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. 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 from the CVE link(s) in the References section. 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 Fix(es): * urllib3: urllib3 Streaming API improperly handles highly compressed data (CVE-2025-66471) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Known issues
Publisher statementNot stated. The verified publisher record does not contain a known-issues statement.
Affected products and versions
Products
- Red Hat Enterprise Linux
Affected versions
- Red Hat Enterprise Linux Server (v. 7 ELS)
- python-urllib3-0:1.10.2-7.el7_9.1.src
- python-urllib3-0:1.10.2-7.el7_9.1.noarch
Fixed versions or updates
- No fixed version is stated in this record.
Recommended action
Apply the Red Hat updates listed in the official advisory.