CVE record · CVE-2026-5367

Ovn: ovn: information disclosure via crafted dhcpv6 packets

CVSS 8.6 HighEPSS 0.0087 · 58th percentile

Published by the CVE Program (CNA: redhat) at 24 Apr 2026, 12:25 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Red Hat	Fast Datapath for Red Hat Enterprise Linux 10 Package name: ovn25.03 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:25.03.2-100.el10fdp to before * rpm Other versions: affected
Red Hat	Fast Datapath for Red Hat Enterprise Linux 10 Package name: ovn25.09 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:25.09.2-103.el10fdp to before * rpm Other versions: affected
Red Hat	Fast Datapath for Red Hat Enterprise Linux 8 Package name: ovn-2021 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:21.12.0-145.el8fdp to before * rpm Other versions: affected
Red Hat	Fast Datapath for Red Hat Enterprise Linux 8 Package name: ovn23.06 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:23.06.4-30.el8fdp to before * rpm Other versions: affected
Red Hat	Fast Datapath for Red Hat Enterprise Linux 9 Package name: ovn23.06 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:23.06.4-30.el9fdp to before * rpm Other versions: affected
Red Hat	Fast Datapath for Red Hat Enterprise Linux 9 Package name: ovn23.09 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:23.09.6-16.el9fdp to before * rpm Other versions: affected
Red Hat	Fast Datapath for Red Hat Enterprise Linux 9 Package name: ovn24.03 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:24.03.7-82.el9fdp to before * rpm Other versions: affected
Red Hat	Fast Datapath for Red Hat Enterprise Linux 9 Package name: ovn25.03 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:25.03.2-100.el9fdp to before * rpm Other versions: affected
Red Hat	Fast Datapath for Red Hat Enterprise Linux 9 Package name: ovn25.09 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:25.09.2-103.el9fdp to before * rpm Other versions: affected
Red Hat	Fast Datapath for RHEL 8 Package name: ovn2.11 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Fast Datapath for RHEL 8 Package name: ovn2.12 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Fast Datapath for RHEL 8 Package name: ovn2.13 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Fast Datapath for RHEL 8 Package name: ovn23.03 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected
Red Hat	Fast Datapath for RHEL 9 Package name: ovn-2021 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected
Red Hat	Fast Datapath for RHEL 9 Package name: ovn23.03 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: ovn22.06 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: ovn22.09 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: ovn22.12 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: ovn23.03 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: ovn23.06 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: ovn23.09 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: ovn24.03 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: ovn24.09 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: ovn25.03 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected

Identifiers: CVE-2026-5367
CNA: redhat
Weakness (CWE): CWE-130
Tags: Fast Datapath for Red Hat Enterprise Linux 10
Fast Datapath for Red Hat Enterprise Linux 8
Fast Datapath for Red Hat Enterprise Linux 9
Red Hat Fast Datapath for RHEL 8
Red Hat Fast Datapath for RHEL 9
Red Hat OpenShift Container Platform 4
CWE-130
Published: 24 Apr 2026
Updated: 25 Aug 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
8.6	High	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N	CNA (redhat)Used for this record
8.6	High	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N	ADP (redhat-SADP)

CISA KEV Not listed.
EPSS 0.0087, the 58th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 24 Apr 2026. New records show when each source confirmed them.

Sources

References from the CNA

access.redhat.com/errata/RHSA-2026:11694 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:11695 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:11696 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:11698 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:11700 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:11701 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:11702 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:22110 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:22111 vendor-advisoryredhat
access.redhat.com/security/cve/CVE-2026-5367 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2455863 issue-trackingredhat

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.