SUSE alert openSUSE-SU-2026:20897-1 (python-pyopenssl)

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null@suse.de
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security-announce@lists.opensuse.org
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openSUSE-SU-2026:20897-1: moderate: Security update for python-pyOpenSSL
Date:
             
 
Fri, 05 Jun 2026 17:51:27 +0200
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<20260605155127.BD951FCEE@maintenance.suse.de>
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Article
openSUSE security update: security update for python-pyopenssl
-------------------------------------------------------------

Announcement ID: openSUSE-SU-2026:20897-1
Rating: moderate
References:

  * bsc#1262803



Cross-References:

  * CVE-2026-40475



CVSS scores:

  * 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
  * 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

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-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 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-16.0-883=1

Package List:

- openSUSE Leap 16.0:

  python313-pyOpenSSL-25.0.0-160000.4.1

References:

  * https://www.suse.com/security/cve/CVE-2026-40475.html