SUSE-SU-2026:20157-1: moderate: Security update for python-urllib3

[SLE-SECURITY-UPDATES]

# Security update for python-urllib3

Announcement ID: SUSE-SU-2026:20157-1  
Release Date: 2026-01-22T15:55:37Z  
Rating: moderate  
References:

  * bsc#1256331

  
Cross-References:

  * CVE-2026-21441

  
CVSS scores:

  * 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
  * 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 ( NVD ):  8.9
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-21441 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Micro 6.2

  
  
An update that solves one vulnerability 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 SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Micro 6.2  
    zypper in -t patch SUSE-SL-Micro-6.2-177=1

## Package List:

  * SUSE Linux Micro 6.2 (noarch)
    * python313-urllib3-2.5.0-160000.3.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-21441.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1256331

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