SUSE alert openSUSE-SU-2026:20088-1 (python-urllib3)

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null@suse.de
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openSUSE-SU-2026:20088-1: moderate: Security update for python-urllib3
Date:
             
 
Sun, 25 Jan 2026 10:15:55 +0100
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<20260125091555.B5B1EFF0D@maintenance.suse.de>
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Article
openSUSE security update: security update for python-urllib3
-------------------------------------------------------------

Announcement ID: openSUSE-SU-2026:20088-1
Rating: moderate
References:

  * bsc#1256331



Cross-References:

  * CVE-2026-21441



CVSS scores:

  * CVE-2026-21441 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2026-21441 ( SUSE ): 2.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Affected Products:

         openSUSE Leap 16.0

-------------------------------------------------------------

An update that solves one vulnerability and has one bug fix can now be installed.

Description:

This update for python-urllib3 fixes the following issues:

- CVE-2026-21441: Fixed excessive resource consumption during decompression of data in HTTP
redirect responses (bsc#1256331).



Patch instructions:

   To install this openSUSE security update use the suse recommended installation methods
   like YaST online_update or "zypper patch".
   Alternatively you can run the command listed for your product:

- openSUSE Leap 16.0

   zypper in -t patch openSUSE-Leap-16.0-177=1

Package List:

- openSUSE Leap 16.0:

  python313-urllib3-2.5.0-160000.3.1

References:

  * https://www.suse.com/security/cve/CVE-2026-21441.html