SUSE-SU-2026:2476-1: important: Security update for openvswitch3
SLE-SECURITY-UPDATES
null at suse.de
Mon Jun 22 16:34:19 UTC 2026
# Security update for openvswitch3
Announcement ID: SUSE-SU-2026:2476-1
Release Date: 2026-06-22T08:24:24Z
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:
* openSUSE Leap 15.5
* SUSE Linux Enterprise High Performance Computing 15 SP5
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
* SUSE Linux Enterprise Micro 5.5
* SUSE Linux Enterprise Server 15 SP5
* SUSE Linux Enterprise Server 15 SP5 LTSS
* SUSE Linux Enterprise Server for SAP Applications 15 SP5
An update that solves two vulnerabilities can now be installed.
## Description:
This update for openvswitch3 fixes the following issues
* 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:
* SUSE Linux Enterprise Server 15 SP5 LTSS
zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-2476=1
* SUSE Linux Enterprise Micro 5.5
zypper in -t patch SUSE-SLE-Micro-5.5-2026-2476=1
* openSUSE Leap 15.5
zypper in -t patch SUSE-2026-2476=1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-2476=1
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-2476=1
* SUSE Linux Enterprise Server for SAP Applications 15 SP5
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-2476=1
## Package List:
* openSUSE Leap 15.5 (aarch64 i586 ppc64le s390x x86_64)
* ovn3-debuginfo-23.03.3-150500.3.31.1
* libovn-23_03-0-23.03.3-150500.3.31.1
* ovn3-host-debuginfo-23.03.3-150500.3.31.1
* openvswitch3-vtep-3.1.7-150500.3.31.1
* ovn3-vtep-23.03.3-150500.3.31.1
* openvswitch3-3.1.7-150500.3.31.1
* openvswitch3-test-debuginfo-3.1.7-150500.3.31.1
* python3-ovs3-3.1.7-150500.3.31.1
* libopenvswitch-3_1-0-3.1.7-150500.3.31.1
* openvswitch3-debuginfo-3.1.7-150500.3.31.1
* openvswitch3-devel-3.1.7-150500.3.31.1
* ovn3-central-23.03.3-150500.3.31.1
* ovn3-docker-23.03.3-150500.3.31.1
* libopenvswitch-3_1-0-debuginfo-3.1.7-150500.3.31.1
* libovn-23_03-0-debuginfo-23.03.3-150500.3.31.1
* ovn3-host-23.03.3-150500.3.31.1
* ovn3-23.03.3-150500.3.31.1
* openvswitch3-pki-3.1.7-150500.3.31.1
* openvswitch3-debugsource-3.1.7-150500.3.31.1
* openvswitch3-test-3.1.7-150500.3.31.1
* openvswitch3-ipsec-3.1.7-150500.3.31.1
* ovn3-central-debuginfo-23.03.3-150500.3.31.1
* openvswitch3-vtep-debuginfo-3.1.7-150500.3.31.1
* ovn3-devel-23.03.3-150500.3.31.1
* ovn3-vtep-debuginfo-23.03.3-150500.3.31.1
* openSUSE Leap 15.5 (noarch)
* ovn3-doc-23.03.3-150500.3.31.1
* openvswitch3-doc-3.1.7-150500.3.31.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
* ovn3-debuginfo-23.03.3-150500.3.31.1
* libovn-23_03-0-23.03.3-150500.3.31.1
* ovn3-host-debuginfo-23.03.3-150500.3.31.1
* openvswitch3-vtep-3.1.7-150500.3.31.1
* ovn3-vtep-23.03.3-150500.3.31.1
* openvswitch3-3.1.7-150500.3.31.1
* openvswitch3-test-debuginfo-3.1.7-150500.3.31.1
* python3-ovs3-3.1.7-150500.3.31.1
* libopenvswitch-3_1-0-3.1.7-150500.3.31.1
* openvswitch3-debuginfo-3.1.7-150500.3.31.1
* openvswitch3-devel-3.1.7-150500.3.31.1
* ovn3-central-23.03.3-150500.3.31.1
* ovn3-docker-23.03.3-150500.3.31.1
* libopenvswitch-3_1-0-debuginfo-3.1.7-150500.3.31.1
* ovn3-host-23.03.3-150500.3.31.1
* ovn3-23.03.3-150500.3.31.1
* libovn-23_03-0-debuginfo-23.03.3-150500.3.31.1
* openvswitch3-pki-3.1.7-150500.3.31.1
* openvswitch3-debugsource-3.1.7-150500.3.31.1
* openvswitch3-test-3.1.7-150500.3.31.1
* openvswitch3-ipsec-3.1.7-150500.3.31.1
* ovn3-central-debuginfo-23.03.3-150500.3.31.1
* openvswitch3-vtep-debuginfo-3.1.7-150500.3.31.1
* ovn3-devel-23.03.3-150500.3.31.1
* ovn3-vtep-debuginfo-23.03.3-150500.3.31.1
* SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
* ovn3-debuginfo-23.03.3-150500.3.31.1
* libovn-23_03-0-23.03.3-150500.3.31.1
* ovn3-host-debuginfo-23.03.3-150500.3.31.1
* openvswitch3-vtep-3.1.7-150500.3.31.1
* ovn3-vtep-23.03.3-150500.3.31.1
* openvswitch3-3.1.7-150500.3.31.1
* openvswitch3-test-debuginfo-3.1.7-150500.3.31.1
* python3-ovs3-3.1.7-150500.3.31.1
* libopenvswitch-3_1-0-3.1.7-150500.3.31.1
* openvswitch3-debuginfo-3.1.7-150500.3.31.1
* openvswitch3-devel-3.1.7-150500.3.31.1
* ovn3-central-23.03.3-150500.3.31.1
* ovn3-docker-23.03.3-150500.3.31.1
* libopenvswitch-3_1-0-debuginfo-3.1.7-150500.3.31.1
* libovn-23_03-0-debuginfo-23.03.3-150500.3.31.1
* ovn3-23.03.3-150500.3.31.1
* ovn3-host-23.03.3-150500.3.31.1
* openvswitch3-pki-3.1.7-150500.3.31.1
* openvswitch3-debugsource-3.1.7-150500.3.31.1
* openvswitch3-test-3.1.7-150500.3.31.1
* openvswitch3-ipsec-3.1.7-150500.3.31.1
* ovn3-central-debuginfo-23.03.3-150500.3.31.1
* openvswitch3-vtep-debuginfo-3.1.7-150500.3.31.1
* ovn3-devel-23.03.3-150500.3.31.1
* ovn3-vtep-debuginfo-23.03.3-150500.3.31.1
* SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
* ovn3-debuginfo-23.03.3-150500.3.31.1
* libovn-23_03-0-23.03.3-150500.3.31.1
* ovn3-host-debuginfo-23.03.3-150500.3.31.1
* openvswitch3-vtep-3.1.7-150500.3.31.1
* ovn3-vtep-23.03.3-150500.3.31.1
* openvswitch3-3.1.7-150500.3.31.1
* python3-ovs3-3.1.7-150500.3.31.1
* libopenvswitch-3_1-0-3.1.7-150500.3.31.1
* openvswitch3-debuginfo-3.1.7-150500.3.31.1
* ovn3-central-23.03.3-150500.3.31.1
* ovn3-docker-23.03.3-150500.3.31.1
* libopenvswitch-3_1-0-debuginfo-3.1.7-150500.3.31.1
* libovn-23_03-0-debuginfo-23.03.3-150500.3.31.1
* ovn3-23.03.3-150500.3.31.1
* ovn3-host-23.03.3-150500.3.31.1
* openvswitch3-pki-3.1.7-150500.3.31.1
* openvswitch3-debugsource-3.1.7-150500.3.31.1
* ovn3-central-debuginfo-23.03.3-150500.3.31.1
* openvswitch3-vtep-debuginfo-3.1.7-150500.3.31.1
* ovn3-vtep-debuginfo-23.03.3-150500.3.31.1
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
x86_64)
* ovn3-debuginfo-23.03.3-150500.3.31.1
* libovn-23_03-0-23.03.3-150500.3.31.1
* ovn3-host-debuginfo-23.03.3-150500.3.31.1
* openvswitch3-vtep-3.1.7-150500.3.31.1
* ovn3-vtep-23.03.3-150500.3.31.1
* openvswitch3-3.1.7-150500.3.31.1
* openvswitch3-test-debuginfo-3.1.7-150500.3.31.1
* python3-ovs3-3.1.7-150500.3.31.1
* libopenvswitch-3_1-0-3.1.7-150500.3.31.1
* openvswitch3-debuginfo-3.1.7-150500.3.31.1
* openvswitch3-devel-3.1.7-150500.3.31.1
* ovn3-central-23.03.3-150500.3.31.1
* ovn3-docker-23.03.3-150500.3.31.1
* libopenvswitch-3_1-0-debuginfo-3.1.7-150500.3.31.1
* ovn3-host-23.03.3-150500.3.31.1
* ovn3-23.03.3-150500.3.31.1
* libovn-23_03-0-debuginfo-23.03.3-150500.3.31.1
* openvswitch3-pki-3.1.7-150500.3.31.1
* openvswitch3-debugsource-3.1.7-150500.3.31.1
* openvswitch3-ipsec-3.1.7-150500.3.31.1
* openvswitch3-test-3.1.7-150500.3.31.1
* ovn3-central-debuginfo-23.03.3-150500.3.31.1
* openvswitch3-vtep-debuginfo-3.1.7-150500.3.31.1
* ovn3-devel-23.03.3-150500.3.31.1
* ovn3-vtep-debuginfo-23.03.3-150500.3.31.1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
x86_64)
* ovn3-debuginfo-23.03.3-150500.3.31.1
* libovn-23_03-0-23.03.3-150500.3.31.1
* ovn3-host-debuginfo-23.03.3-150500.3.31.1
* openvswitch3-vtep-3.1.7-150500.3.31.1
* ovn3-vtep-23.03.3-150500.3.31.1
* openvswitch3-3.1.7-150500.3.31.1
* openvswitch3-test-debuginfo-3.1.7-150500.3.31.1
* python3-ovs3-3.1.7-150500.3.31.1
* libopenvswitch-3_1-0-3.1.7-150500.3.31.1
* openvswitch3-devel-3.1.7-150500.3.31.1
* openvswitch3-debuginfo-3.1.7-150500.3.31.1
* ovn3-central-23.03.3-150500.3.31.1
* ovn3-docker-23.03.3-150500.3.31.1
* libopenvswitch-3_1-0-debuginfo-3.1.7-150500.3.31.1
* libovn-23_03-0-debuginfo-23.03.3-150500.3.31.1
* ovn3-23.03.3-150500.3.31.1
* ovn3-host-23.03.3-150500.3.31.1
* openvswitch3-pki-3.1.7-150500.3.31.1
* openvswitch3-debugsource-3.1.7-150500.3.31.1
* openvswitch3-ipsec-3.1.7-150500.3.31.1
* openvswitch3-test-3.1.7-150500.3.31.1
* ovn3-central-debuginfo-23.03.3-150500.3.31.1
* openvswitch3-vtep-debuginfo-3.1.7-150500.3.31.1
* ovn3-devel-23.03.3-150500.3.31.1
* ovn3-vtep-debuginfo-23.03.3-150500.3.31.1
## 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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