CVE-2026-5367

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"ovn-2021", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for Red Hat Enterprise Linux 8", "versions": [{"status": "unaffected", "version": "0:23.06.4-30.el8fdp", "lessThan": "*", "versionType": "rpm"}], "packageName": "ovn23.06", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for Red Hat Enterprise Linux 9", "versions": [{"status": "unaffected", "version": "0:23.06.4-30.el9fdp", "lessThan": "*", "versionType": "rpm"}], "packageName": "ovn23.06", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"], "vendor": "Red Hat", "product": 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"https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for Red Hat Enterprise Linux 9", "versions": [{"status": "unaffected", "version": "0:25.09.2-103.el9fdp", "lessThan": "*", "versionType": "rpm"}], "packageName": "ovn25.09", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "packageName": "ovn2.11", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "packageName": "ovn2.12", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "packageName": "ovn2.13", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:8::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "packageName": "ovn23.03", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "packageName": "ovn-2021", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:9::fastdatapath"], "vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "packageName": "ovn23.03", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "packageName": "ovn22.06", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:openshift:4"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "packageName": "ovn22.09", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:openshift:4"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "packageName": "ovn22.12", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:openshift:4"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "packageName": "ovn23.03", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:openshift:4"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "packageName": "ovn23.06", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "packageName": "ovn23.09", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:openshift:4"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "packageName": "ovn24.03", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "packageName": "ovn24.09", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "packageName": "ovn25.03", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}]}], "published": "2026-04-24T13:16:21.990", "references": [{"url": "https://access.redhat.com/errata/RHSA-2026:11694", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:11695", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:11696", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:11698", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:11700", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:11701", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:11702", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:22110", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:22111", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-5367", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2455863", "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2026/04/20/3", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2026/04/20/5", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://access.redhat.com/errata/RHSA-2026:11694", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:11695", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:11696", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:11698", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:11700", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:11701", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:11702", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:22110", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:22111", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-5367", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2455863", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5367.json", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-130"}]}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "description": [{"lang": "en", "value": "CWE-130"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in OVN (Open Virtual Network). A remote attacker, by sending crafted DHCPv6 (Dynamic Host Configuration Protocol for IPv6) SOLICIT packets with an inflated Client ID length, could cause the ovn-controller to read beyond the bounds of a packet. This out-of-bounds read can lead to the disclosure of sensitive information stored in heap memory, which is then returned to the attacker's virtual machine port."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en OVN (Open Virtual Network). Un atacante remoto, al enviar paquetes SOLICIT DHCPv6 (Dynamic Host Configuration Protocol para IPv6) manipulados con una longitud de ID de cliente inflada, podr\u00eda causar que el ovn-controller lea m\u00e1s all\u00e1 de los l\u00edmites de un paquete. Esta lectura fuera de l\u00edmites puede llevar a la divulgaci\u00f3n de informaci\u00f3n sensible almacenada en la memoria heap, que luego es devuelta al puerto de la m\u00e1quina virtual del atacante."}], "lastModified": "2026-10-26T21:10:00.170", "sourceIdentifier": "secalert@redhat.com"}