SUSE-SU-2026:1439-1: moderate: Security update for openvswitch

[SLE-UPDATES]

# Security update for openvswitch

Announcement ID: SUSE-SU-2026:1439-1  
Release Date: 2026-04-17T13:43:32Z  
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:

  * Server Applications Module 15-SP7
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7
  * SUSE Package Hub 15 15-SP7

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for openvswitch fixes the following issue:

Security updates:

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

Other updates:

  * Update openvswitch to 3.5.4

## 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 Package Hub 15 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-1439=1

  * Server Applications Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2026-1439=1

## Package List:

  * SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x x86_64)
    * python3-openvswitch-3.5.4-150700.41.15.1
    * openvswitch-debuginfo-3.5.4-150700.41.15.1
    * openvswitch-debugsource-3.5.4-150700.41.15.1
    * python3-openvswitch-debuginfo-3.5.4-150700.41.15.1
  * Server Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * libopenvswitch-3_5-0-debuginfo-3.5.4-150700.41.15.1
    * openvswitch-vtep-debuginfo-3.5.4-150700.41.15.1
    * openvswitch-vtep-3.5.4-150700.41.15.1
    * libovn-25_03-0-25.03.2-150700.41.15.1
    * ovn-central-25.03.2-150700.41.15.1
    * openvswitch-ipsec-3.5.4-150700.41.15.1
    * ovn-host-debuginfo-25.03.2-150700.41.15.1
    * libovn-25_03-0-debuginfo-25.03.2-150700.41.15.1
    * ovn-central-debuginfo-25.03.2-150700.41.15.1
    * ovn-vtep-25.03.2-150700.41.15.1
    * openvswitch-test-debuginfo-3.5.4-150700.41.15.1
    * python3-openvswitch-3.5.4-150700.41.15.1
    * ovn-25.03.2-150700.41.15.1
    * openvswitch-devel-3.5.4-150700.41.15.1
    * libopenvswitch-3_5-0-3.5.4-150700.41.15.1
    * openvswitch-3.5.4-150700.41.15.1
    * python3-openvswitch-debuginfo-3.5.4-150700.41.15.1
    * ovn-debuginfo-25.03.2-150700.41.15.1
    * openvswitch-debuginfo-3.5.4-150700.41.15.1
    * openvswitch-debugsource-3.5.4-150700.41.15.1
    * ovn-docker-25.03.2-150700.41.15.1
    * openvswitch-pki-3.5.4-150700.41.15.1
    * ovn-vtep-debuginfo-25.03.2-150700.41.15.1
    * ovn-devel-25.03.2-150700.41.15.1
    * openvswitch-test-3.5.4-150700.41.15.1
    * ovn-host-25.03.2-150700.41.15.1

## References:

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

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