[ALSA-2026:1224] Important: python3.11-urllib3 security update
Type:
security
Severity:
important
Release date:
2026-01-27
Description:
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: Unbounded decompression chain leads to resource exhaustion (CVE-2025-66418) * urllib3: urllib3 Streaming API improperly handles highly compressed data (CVE-2025-66471) * urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API) (CVE-2026-21441) 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.
Updated packages listed below:
Architecture Package Checksum
noarch python3.11-urllib3-1.26.12-6.el8_10.noarch.rpm b58c5f46d7a5826d1a7f3675ec87f8a21fca47384d3e09be1116bfed980609cd
Notes:
This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.