ALSA-2026:1086

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Import Source
https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:1086.json
JSON Data
https://api.osv.dev/v1/vulns/ALSA-2026:1086
Related
Published
2026-01-26T00:00:00Z
Modified
2026-01-27T08:00:13.639568Z
Summary
Important: python-urllib3 security update
Details

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.

References

Affected packages

AlmaLinux:10 / python3-urllib3

Package

Name
python3-urllib3
Purl
pkg:rpm/almalinux/python3-urllib3

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.26.19-2.el10_1.1

Database specific

source

"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:1086.json"