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SUSE openvswitch Important Heap Over-Read Vulnerabilities 2026-2481-1

suse
Calendar Grey June 22, 2026
Dist Suse Esm H88
Important security update for openvswitch on openSUSE addressing heap over-read issues. Install promptly.
An update that solves two vulnerabilities can now be installed.

Summary

## 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). ## 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

Topics%20covered

Topics Covered

security advisory patch important networking OpenSUSE heap over-read

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:

* 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2481-1
Release Date: 2026-06-22T10:55:16Z
Rating: important

Topics%20covered

Topics Covered

security advisory patch important networking OpenSUSE heap over-read

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