Security update for openvswitch

Announcement ID: SUSE-SU-2026:1306-1
Release Date: 2026-04-13T20:02:56Z
Rating: moderate
References:
Cross-References:
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:
  • openSUSE Leap 15.6

An update that solves one vulnerability can now be installed.

Description:

This update for openvswitch fixes the following issues:

  • CVE-2026-34956: invalid memory access via crafted FTP payloads in userspace conntrack flows specifying the FTP alg handler (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:

  • openSUSE Leap 15.6
    zypper in -t patch SUSE-2026-1306=1

Package List:

  • openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
    • ovn-debuginfo-23.03.3-150600.33.12.1
    • ovn-vtep-debuginfo-23.03.3-150600.33.12.1
    • libovn-23_03-0-debuginfo-23.03.3-150600.33.12.1
    • openvswitch-test-debuginfo-3.1.7-150600.33.12.1
    • openvswitch-devel-3.1.7-150600.33.12.1
    • openvswitch-debugsource-3.1.7-150600.33.12.1
    • openvswitch-vtep-debuginfo-3.1.7-150600.33.12.1
    • openvswitch-vtep-3.1.7-150600.33.12.1
    • libopenvswitch-3_1-0-3.1.7-150600.33.12.1
    • libovn-23_03-0-23.03.3-150600.33.12.1
    • ovn-devel-23.03.3-150600.33.12.1
    • python3-ovs-3.1.7-150600.33.12.1
    • ovn-central-debuginfo-23.03.3-150600.33.12.1
    • ovn-23.03.3-150600.33.12.1
    • openvswitch-ipsec-3.1.7-150600.33.12.1
    • openvswitch-test-3.1.7-150600.33.12.1
    • ovn-central-23.03.3-150600.33.12.1
    • openvswitch-pki-3.1.7-150600.33.12.1
    • openvswitch-3.1.7-150600.33.12.1
    • ovn-host-debuginfo-23.03.3-150600.33.12.1
    • libopenvswitch-3_1-0-debuginfo-3.1.7-150600.33.12.1
    • openvswitch-debuginfo-3.1.7-150600.33.12.1
    • ovn-host-23.03.3-150600.33.12.1
    • ovn-vtep-23.03.3-150600.33.12.1
    • ovn-docker-23.03.3-150600.33.12.1
  • openSUSE Leap 15.6 (noarch)
    • openvswitch-doc-3.1.7-150600.33.12.1
    • ovn-doc-23.03.3-150600.33.12.1

References: