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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
# Security update for openvswitch Announcement ID: SUSE-SU-2026:2475-1 Release Date: 2026-06-22T08:2
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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