SUSE-SU-2026:21126-1: moderate: Security update for python-cryptography

[SLE-UPDATES]

# Security update for python-cryptography

Announcement ID: SUSE-SU-2026:21126-1  
Release Date: 2026-04-14T07:57:49Z  
Rating: moderate  
References:

  * bsc#1260876

  
Cross-References:

  * CVE-2026-34073

  
CVSS scores:

  * CVE-2026-34073 ( SUSE ):  6.3
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-34073 ( SUSE ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
  * CVE-2026-34073 ( NVD ):  1.7
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/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-2026-34073 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

  
Affected Products:

  * SUSE Linux Micro 6.0

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for python-cryptography fixes the following issues:

  * CVE-2026-34073: Fixed X.509 bypass of name constraints on wildcard SANs with
    matching peer names. (bsc#1260876)

## 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-6.0-666=1

## Package List:

  * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    * python311-cryptography-42.0.4-4.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-34073.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1260876

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