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openSUSE 15.5 openvswitch3 Moderate Memory Issue CVE-2026-34956

suse
Calendar Grey April 17, 2026
Dist Suse Esm H88
Update for openvswitch3 resolves a moderate memory access issue, critical for openSUSE users to install promptly.
An update that solves one vulnerability can now be installed.

Summary

## This update for openvswitch3 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 15.5 zypper in -t patch SUSE-2026-1440=1 * SUSE Linux Enterprise Micro 5.5 zypper in -t patch SUSE-SLE-Micro-5.5-2026-1440=1 ## Package List: * openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586) * openvswitch3-pki-3.1.7-150500.3.28.1 * ovn3-host-debuginfo-23.03.3-150500.3.28.1 * openvswitch3-vtep-debuginfo-3.1.7-150500.3.28.1 * ovn3-devel-23.03.3-150500.3.28.1

Topics%20covered

Topics Covered

security advisory moderate memory issue OpenSUSE FTP access networking application

References

* bsc#1261273

Cross-

* 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:

* openSUSE Leap 15.5

* SUSE Linux Enterprise Micro 5.5

An update that solves one vulnerability can now be installed.

##

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

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

Announcement ID: SUSE-SU-2026:1440-1
Release Date: 2026-04-17T13:44:11Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate memory issue OpenSUSE FTP access networking application

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