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openSUSE issues vital security patch for Openvswitch fixing heap over-read

opensuse
Calendar Grey June 22, 2026
Dist Opensuse Esm H88
Two important vulnerabilities in openvswitch for openSUSE addressed by security update with CVSS scoring.
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 DoS 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 15 SP6 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2475=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP6

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-2475=1

* openSUSE Leap 15.6

zypper in -t patch SUSE-2026-2475=1

Package List

* SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)

* libopenvswitch-3_1-0-3.1.7-150600.33.15.1

* libopenvswitch-3_1-0-debuginfo-3.1.7-150600.33.15.1

* ovn-docker-23.03.3-150600.33.15.1

* ovn-central-debuginfo-23.03.3-150600.33.15.1

* ovn-vtep-debuginfo-23.03.3-150600.33.15.1

* ovn-devel-23.03.3-150600.33.15.1

* python3-ovs-3.1.7-150600.33.15.1

* ovn-debuginfo-23.03.3-150600.33.15.1

* openvswitch-devel-3.1.7-150600.33.15.1

* ovn-host-debuginfo-23.03.3-150600.33.15.1

* openvswitch-3.1.7-150600.33.15.1

* ovn-vtep-23.03.3-150600.33.15.1

* openvswitch-ipsec-3.1.7-150600.33.15.1

* openvswitch-vtep-debuginfo-3.1.7-150600.33.15.1

* openvswitch-debugsource-3.1.7-150600.33.15.1

* openvswitch-test-debuginfo-3.1.7-150600.33.15.1

* libovn-23_03-0-23.03.3-150600.33.15.1

* openvswitch-vtep-3.1.7-150600.33.15.1

* ovn-host-23.03.3-150600.33.15.1

* ovn-central-23.03.3-150600.33.15.1

* ovn-23.03.3-150600.33.15.1

* libovn-23_03-0-debuginfo-23.03.3-150600.33.15.1

*...

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-2026:2475-1
Release Date: 2026-06-22T08:23:52Z
Affected Products: * openSUSE Leap 15.6 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server 15 SP6 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP6

Topics%20covered

Topics Covered

security advisory DoS important OpenSUSE heap over-read openvswitch

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