SUSE-SU-2026:21619-1: moderate: Security update for python-pyOpenSSL

[SLE-UPDATES]

# Security update for python-pyOpenSSL

Announcement ID: SUSE-SU-2026:21619-1  
Release Date: 2026-05-09T16:16:14Z  
Rating: moderate  
References:

  * bsc#1262803

  
Cross-References:

  * CVE-2026-40475

  
CVSS scores:

  * CVE-2026-40475 ( SUSE ):  6.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-40475 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Micro 6.0

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for python-pyOpenSSL fixes the following issue

  * CVE-2026-40475: improper input handling of null bytes can lead to silent
    data truncation and security-state inconsistency (bsc#1262803).

## 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 6.0  
    zypper in -t patch SUSE-SLE-Micro-6.0-699=1

## Package List:

  * SUSE Linux Micro 6.0 (noarch)
    * python311-pyOpenSSL-24.0.0-3.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-40475.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1262803

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