SUSE-SU-2026:2854-1: moderate: Security update for python-urllib3

# Security update for python-urllib3

Announcement ID: SUSE-SU-2026:2854-1  
Release Date: 2026-07-10T17:58:58Z  
Rating: moderate  
References:

  * bsc#1254867
  * bsc#1270365

  
Cross-References:

  * CVE-2025-66471

  
CVSS scores:

  * CVE-2025-66471 ( SUSE ):  6.3
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-66471 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2025-66471 ( 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-2025-66471 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * Basesystem Module 15-SP7
  * openSUSE Leap 15.3
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro 5.5
  * SUSE Linux Enterprise Micro for Rancher 5.3
  * SUSE Linux Enterprise Micro for Rancher 5.4
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

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

## Description:

This update for python-urllib3 fixes the following issue

  * Regression introduced by CVE-2025-66471 fix during file download with pySSL
    (bsc#1270365).

## 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 Enterprise Micro for Rancher 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-2854=1

  * SUSE Linux Enterprise Micro 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-2854=1

  * openSUSE Leap 15.3  
    zypper in -t patch SUSE-2026-2854=1

  * Basesystem Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-2854=1

  * SUSE Linux Enterprise Micro for Rancher 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-2854=1

  * SUSE Linux Enterprise Micro 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-2854=1

  * SUSE Linux Enterprise Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2026-2854=1

## Package List:

  * Basesystem Module 15-SP7 (noarch)
    * python3-urllib3-1.25.10-150300.4.30.1
  * SUSE Linux Enterprise Micro 5.5 (noarch)
    * python3-urllib3-1.25.10-150300.4.30.1
  * SUSE Linux Enterprise Micro for Rancher 5.3 (noarch)
    * python3-urllib3-1.25.10-150300.4.30.1
  * SUSE Linux Enterprise Micro 5.3 (noarch)
    * python3-urllib3-1.25.10-150300.4.30.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (noarch)
    * python3-urllib3-1.25.10-150300.4.30.1
  * SUSE Linux Enterprise Micro 5.4 (noarch)
    * python3-urllib3-1.25.10-150300.4.30.1
  * openSUSE Leap 15.3 (noarch)
    * python3-urllib3-1.25.10-150300.4.30.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-66471.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1254867
  * https://bugzilla.suse.com/show_bug.cgi?id=1270365