SUSE SLES15 Security Update : openvswitch (SUSE-SU-2026:2463-1)

high Nessus Plugin ID 321921

Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2463-1 advisory.

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).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

Plugin Details

Severity: High

ID: 321921

File Name: suse_SU-2026-2463-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 6/22/2026

Updated: 6/22/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2026-5367

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:ovn-host, p-cpe:/a:novell:suse_linux:libovn-25_03-0, p-cpe:/a:novell:suse_linux:openvswitch-test, p-cpe:/a:novell:suse_linux:openvswitch-devel, p-cpe:/a:novell:suse_linux:libopenvswitch-3_5-0, p-cpe:/a:novell:suse_linux:ovn, p-cpe:/a:novell:suse_linux:python3-openvswitch, p-cpe:/a:novell:suse_linux:ovn-docker, p-cpe:/a:novell:suse_linux:openvswitch, p-cpe:/a:novell:suse_linux:openvswitch-ipsec, p-cpe:/a:novell:suse_linux:openvswitch-pki, p-cpe:/a:novell:suse_linux:ovn-central, p-cpe:/a:novell:suse_linux:ovn-devel, p-cpe:/a:novell:suse_linux:ovn-vtep, p-cpe:/a:novell:suse_linux:openvswitch-vtep, cpe:/o:novell:suse_linux:15

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 6/19/2026

Vulnerability Publication Date: 4/24/2026

Reference Information

CVE: CVE-2026-5265, CVE-2026-5367

SuSE: SUSE-SU-2026:2463-1

Detections

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