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SUSE OpenvSwitch Important Heap Over-Read Threat Vulnern 2026-2463-1

suse
Calendar Grey June 19, 2026
Dist Suse Esm H88
Update for OpenvSwitch addresses serious security issues. Install promptly to enhance system protection.
An update that solves two vulnerabilities can now be installed.

Summary

## This update for openvswitch fixes the following issues Update ovn to 25.03.3: * 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: * Server Applications Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2026-2463=1 * SUSE Package Hub 15 15-SP7 zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-2463=1 ## Package List: * Server Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64) * python3-openvswitch-3.5.4-150700.41.18.1

Topics%20covered

Topics Covered

security advisory DoS important heap over-read openvswitch

References

* bsc#1262498

* bsc#1262499

Cross-

* 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:

* Server Applications Module 15-SP7

* SUSE Linux Enterprise Desktop 15 SP7

* SUSE Linux Enterprise Real Time 15 SP7

* SUSE Linux Enterprise Server 15 SP7

* SUSE Linux Enterprise Server for SAP Applications 15 SP7

* SUSE Package Hub 15 15-SP7

An update that solves two vulnerabilities can now be installed.

##

* https://www.suse.com/security/cve/CVE-2026-5265.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2463-1
Release Date: 2026-06-19T09:44:08Z
Rating: important

Topics%20covered

Topics Covered

security advisory DoS important heap over-read openvswitch

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