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openSUSE Leap 15.6 openvswitch Moderate Memory Access Vulnerability Update

opensuse
Calendar Grey April 14, 2026
Dist Opensuse Esm H88
This update addresses a moderate issue in openvswitch for openSUSE Leap 15.6 with potential memory access problems.
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).

Topics%20covered

Topics Covered

security advisory moderate DoS memory access OpenSUSE openvswitch

Patch

## 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

*...

Read the Full Advisory

References

* bsc#1261273

## References:

* https://www.suse.com/security/cve/CVE-2026-34956.html

* https://bugzilla.suse.com/show_bug.cgi?id=1261273

Announcement ID: SUSE-SU-2026:1306-1
Release Date: 2026-04-13T20:02:56Z
Affected Products: * openSUSE Leap 15.6

Topics%20covered

Topics Covered

security advisory moderate DoS memory access OpenSUSE openvswitch

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