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openSUSE openvswitch Important Heap Over-read Threat 2026-2481-1

opensuse
Calendar Grey June 22, 2026
Dist Opensuse Esm H88
Update for openvswitch addresses critical heap over-read issues affecting multiple SUSE Linux distributions.
An update that solves two vulnerabilities can now be installed.

Description

This update for openvswitch 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).

Topics%20covered

Topics Covered

security advisory threat important OpenSUSE heap over-read 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:

* SUSE Linux Enterprise Server for SAP Applications 15 SP4

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-2481=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP5

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-2481=1

* SUSE Linux Enterprise Server 15 SP5 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-2481=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-2481=1

* SUSE Linux Enterprise Server 15 SP4 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-2481=1

* openSUSE Leap 15.4

zypper in -t patch SUSE-2026-2481=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2481=1

Package List

* openSUSE Leap 15.4 (aarch64 i586 ppc64le s390x x86_64)

* openvswitch-devel-2.14.2-150400.24.35.1

* openvswitch-test-2.14.2-150400.24.35.1

* ovn-vtep-debuginfo-20.06.2-150400.24.35.1

* openvswitch-debuginfo-2.14.2-150400.24.35.1

* libopenvswitch-2_14-0-debuginfo-2.14.2-150400.24.35.1

* openvswitch-debugsource-2.14.2-150400.24.35.1

* ovn-host-20.06.2-150400.24.35.1

* libovn-20_06-0-debuginfo-20.06.2-150400.24.35.1

* ovn-debuginfo-20.06.2-150400.24.35.1

* libopenvswitch-2_14-0-2.14.2-150400.24.35.1

* ovn-host-debuginfo-20.06.2-150400.24.35.1

* openvswitch-2.14.2-150400.24.35.1

* ovn-central-debuginfo-20.06.2-150400.24.35.1

* openvswitch-test-debuginfo-2.14.2-150400.24.35.1

* openvswitch-pki-2.14.2-150400.24.35.1

* python3-ovs-2.14.2-150400.24.35.1

* libovn-20_06-0-20.06.2-150400.24.35.1

* ovn-20.06.2-150400.24.35.1

* openvswitch-ipsec-2.14.2-150400.24.35.1

* ovn-vtep-20.06.2-150400.24.35.1

* openvswitch-vtep-2.14.2-150400.24.35.1

* ovn-docker-20.06.2-150400.24.35.1

* ovn-central-20.06.2-150400.24.35.1

*...

Read the Full Advisory

References

* bsc#1262498

* bsc#1262499

## 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2481-1
Release Date: 2026-06-22T10:55:16Z
Affected Products: * openSUSE Leap 15.4 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP4 LTSS * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP5 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP5

Topics%20covered

Topics Covered

security advisory threat important OpenSUSE heap over-read openvswitch

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