SUSE-SU-2026:21250-1: moderate: Security update for openvswitch

[SLE-UPDATES]

# Security update for openvswitch

Announcement ID: SUSE-SU-2026:21250-1  
Release Date: 2026-04-21T08:57:43Z  
Rating: moderate  
References:

  * bsc#1261273

  
Cross-References:

  * CVE-2026-34956

  
CVSS scores:

  * CVE-2026-34956 ( SUSE ):  8.2
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-34956 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/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 openvswitch fixes the following issue:

  * CVE-2026-34956: Invalid memory access in conntrack FTP alg (bsc#1261273).

## 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-6.0-678=1

## Package List:

  * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    * openvswitch-debugsource-3.1.7-5.1
    * openvswitch-debuginfo-3.1.7-5.1
    * libopenvswitch-3_1-0-debuginfo-3.1.7-5.1
    * openvswitch-3.1.7-5.1
    * libopenvswitch-3_1-0-3.1.7-5.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-34956.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1261273

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