SUSE-SU-2026:2463-1: important: Security update for openvswitch

[SLE-UPDATES]

# Security update for openvswitch

Announcement ID: SUSE-SU-2026:2463-1  
Release Date: 2026-06-19T09:44:08Z  
Rating: important  
References:

  * bsc#1262498
  * bsc#1262499

  
Cross-References:

  * CVE-2026-5265
  * CVE-2026-5367

  
CVSS scores:

  * CVE-2026-5265 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2026-5265 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H
  * CVE-2026-5367 ( SUSE ):  6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2026-5367 ( NVD ):  8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

  
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 two vulnerabilities can now be installed.

## Description:

This update for openvswitch fixes the following issues

Update ovn to 25.03.3:

  * CVE-2026-5265: heap over-read in ICMP error response generation
    (bsc#1262498).
  * CVE-2026-5367: heap over-read in OVN DHCPv6 client ID processing
    (bsc#1262499).

## 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:

  * Server Applications Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2026-2463=1

  * SUSE Package Hub 15 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-2463=1

## Package List:

  * Server Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * python3-openvswitch-3.5.4-150700.41.18.1
    * ovn-central-debuginfo-25.03.3-150700.41.18.1
    * openvswitch-test-debuginfo-3.5.4-150700.41.18.1
    * ovn-host-25.03.3-150700.41.18.1
    * openvswitch-ipsec-3.5.4-150700.41.18.1
    * ovn-central-25.03.3-150700.41.18.1
    * ovn-25.03.3-150700.41.18.1
    * ovn-vtep-debuginfo-25.03.3-150700.41.18.1
    * ovn-vtep-25.03.3-150700.41.18.1
    * python3-openvswitch-debuginfo-3.5.4-150700.41.18.1
    * openvswitch-devel-3.5.4-150700.41.18.1
    * openvswitch-debuginfo-3.5.4-150700.41.18.1
    * libopenvswitch-3_5-0-3.5.4-150700.41.18.1
    * openvswitch-pki-3.5.4-150700.41.18.1
    * libovn-25_03-0-25.03.3-150700.41.18.1
    * openvswitch-vtep-debuginfo-3.5.4-150700.41.18.1
    * ovn-docker-25.03.3-150700.41.18.1
    * ovn-host-debuginfo-25.03.3-150700.41.18.1
    * openvswitch-test-3.5.4-150700.41.18.1
    * ovn-devel-25.03.3-150700.41.18.1
    * openvswitch-3.5.4-150700.41.18.1
    * libovn-25_03-0-debuginfo-25.03.3-150700.41.18.1
    * openvswitch-debugsource-3.5.4-150700.41.18.1
    * ovn-debuginfo-25.03.3-150700.41.18.1
    * libopenvswitch-3_5-0-debuginfo-3.5.4-150700.41.18.1
    * openvswitch-vtep-3.5.4-150700.41.18.1
  * SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x x86_64)
    * python3-openvswitch-3.5.4-150700.41.18.1
    * openvswitch-debugsource-3.5.4-150700.41.18.1
    * openvswitch-debuginfo-3.5.4-150700.41.18.1
    * python3-openvswitch-debuginfo-3.5.4-150700.41.18.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-5265.html
  * https://www.suse.com/security/cve/CVE-2026-5367.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1262498
  * https://bugzilla.suse.com/show_bug.cgi?id=1262499

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