HighFix available
Red Hat Security Advisory: OpenShift Container Platform 4.20.38 packages and security update
Type: advisorySources: OSV
- Products
- openshift, openshift-hyperkube, openshift-kube-apiserver, openshift-kube-controller-manager, openshift-kube-scheduler, openshift-kubelet
- Affected versions
- Not specified
- Fixed versions
- 0:4.20.0-202609041738.p2.g4012064.assembly.stream.el8, 0:4.20.0-202609041738.p2.g4012064.assembly.stream.el9
- CVEs
- CVE-2026-33818, CVE-2026-39822, CVE-2026-42504, CVE-2026-56858, CVE-2026-56859, CVE-2026-56860, CVE-2026-56862
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 09:28 UTC · Revision 1
Source evidence
Red Hat Security Advisory: OpenShift Container Platform 4.20.38 packages and security update
core-osv · Original sourcePublished 16 Sept 2026, 10:14 UTC
Red Hat Security Advisory: OpenShift Container Platform 4.20.38 packages and security update
osv:RHSA-2026:66375
openshift
Fixed versions: 0:4.20.0-202609041738.p2.g4012064.assembly.stream.el8
openshift-hyperkube
Fixed versions: 0:4.20.0-202609041738.p2.g4012064.assembly.stream.el8
openshift-kube-apiserver
Fixed versions: 0:4.20.0-202609041738.p2.g4012064.assembly.stream.el8
openshift-kube-controller-manager
Fixed versions: 0:4.20.0-202609041738.p2.g4012064.assembly.stream.el8
openshift-kube-scheduler
Fixed versions: 0:4.20.0-202609041738.p2.g4012064.assembly.stream.el8
openshift-kubelet
Fixed versions: 0:4.20.0-202609041738.p2.g4012064.assembly.stream.el8
openshift
Fixed versions: 0:4.20.0-202609041738.p2.g4012064.assembly.stream.el9
openshift-hyperkube
Fixed versions: 0:4.20.0-202609041738.p2.g4012064.assembly.stream.el9
openshift-kube-apiserver
Fixed versions: 0:4.20.0-202609041738.p2.g4012064.assembly.stream.el9
openshift-kube-controller-manager
Fixed versions: 0:4.20.0-202609041738.p2.g4012064.assembly.stream.el9
openshift-kube-scheduler
Fixed versions: 0:4.20.0-202609041738.p2.g4012064.assembly.stream.el9
openshift-kubelet
Fixed versions: 0:4.20.0-202609041738.p2.g4012064.assembly.stream.el9
Complete source record
{
"id": "fdf68839653f7c69483067b5901105658fd9495448c5a4a783b8bbf796a020f4",
"url": "https://osv.dev/vulnerability/RHSA-2026%3A66375",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Red Hat Security Advisory: OpenShift Container Platform 4.20.38 packages and security update",
"summary": "Red Hat Security Advisory: OpenShift Container Platform 4.20.38 packages and security update",
"evidence": "osv:RHSA-2026:66375",
"products": [
{
"name": {
"value": "openshift",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el8",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openshift-hyperkube",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el8",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openshift-kube-apiserver",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el8",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openshift-kube-controller-manager",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el8",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openshift-kube-scheduler",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el8",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openshift-kubelet",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el8",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openshift",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el9",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openshift-hyperkube",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el9",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openshift-kube-apiserver",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el9",
"evidence": "/affected/8/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openshift-kube-controller-manager",
"evidence": "/affected/9/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el9",
"evidence": "/affected/9/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openshift-kube-scheduler",
"evidence": "/affected/10/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el9",
"evidence": "/affected/10/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openshift-kubelet",
"evidence": "/affected/11/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el9",
"evidence": "/affected/11/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "RHSA-2026:66375",
"aliases": [
"RHSA-2026:66375"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el8"
}
]
}
],
"package": {
"name": "openshift",
"purl": "pkg:rpm/redhat/openshift",
"ecosystem": "Red Hat:openshift:4.20::el8"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:66375.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el8"
}
]
}
],
"package": {
"name": "openshift-hyperkube",
"purl": "pkg:rpm/redhat/openshift-hyperkube",
"ecosystem": "Red Hat:openshift:4.20::el8"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:66375.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el8"
}
]
}
],
"package": {
"name": "openshift-kube-apiserver",
"purl": "pkg:rpm/redhat/openshift-kube-apiserver",
"ecosystem": "Red Hat:openshift:4.20::el8"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:66375.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el8"
}
]
}
],
"package": {
"name": "openshift-kube-controller-manager",
"purl": "pkg:rpm/redhat/openshift-kube-controller-manager",
"ecosystem": "Red Hat:openshift:4.20::el8"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:66375.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el8"
}
]
}
],
"package": {
"name": "openshift-kube-scheduler",
"purl": "pkg:rpm/redhat/openshift-kube-scheduler",
"ecosystem": "Red Hat:openshift:4.20::el8"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:66375.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el8"
}
]
}
],
"package": {
"name": "openshift-kubelet",
"purl": "pkg:rpm/redhat/openshift-kubelet",
"ecosystem": "Red Hat:openshift:4.20::el8"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:66375.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el9"
}
]
}
],
"package": {
"name": "openshift",
"purl": "pkg:rpm/redhat/openshift",
"ecosystem": "Red Hat:openshift:4.20::el9"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:66375.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el9"
}
]
}
],
"package": {
"name": "openshift-hyperkube",
"purl": "pkg:rpm/redhat/openshift-hyperkube",
"ecosystem": "Red Hat:openshift:4.20::el9"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:66375.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el9"
}
]
}
],
"package": {
"name": "openshift-kube-apiserver",
"purl": "pkg:rpm/redhat/openshift-kube-apiserver",
"ecosystem": "Red Hat:openshift:4.20::el9"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:66375.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el9"
}
]
}
],
"package": {
"name": "openshift-kube-controller-manager",
"purl": "pkg:rpm/redhat/openshift-kube-controller-manager",
"ecosystem": "Red Hat:openshift:4.20::el9"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:66375.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el9"
}
]
}
],
"package": {
"name": "openshift-kube-scheduler",
"purl": "pkg:rpm/redhat/openshift-kube-scheduler",
"ecosystem": "Red Hat:openshift:4.20::el9"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:66375.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:4.20.0-202609041738.p2.g4012064.assembly.stream.el9"
}
]
}
],
"package": {
"name": "openshift-kubelet",
"purl": "pkg:rpm/redhat/openshift-kubelet",
"ecosystem": "Red Hat:openshift:4.20::el9"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:66375.json"
}
}
],
"modified": "2026-10-20T10:13:28Z",
"provider": "osv",
"upstream": [
"CVE-2026-33818",
"CVE-2026-39822",
"CVE-2026-42504",
"CVE-2026-56858",
"CVE-2026-56859",
"CVE-2026-56860",
"CVE-2026-56862"
],
"references": [
"https://access.redhat.com/errata/RHSA-2026:66375",
"https://access.redhat.com/security/updates/classification/#important",
"https://bugzilla.redhat.com/show_bug.cgi?id=2484204",
"https://bugzilla.redhat.com/show_bug.cgi?id=2498152",
"https://bugzilla.redhat.com/show_bug.cgi?id=2515815",
"https://bugzilla.redhat.com/show_bug.cgi?id=2515820",
"https://bugzilla.redhat.com/show_bug.cgi?id=2515838",
"https://bugzilla.redhat.com/show_bug.cgi?id=2515839",
"https://bugzilla.redhat.com/show_bug.cgi?id=2515840",
"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_66375.json",
"https://access.redhat.com/security/cve/CVE-2026-33818",
"https://www.cve.org/CVERecord?id=CVE-2026-33818",
"https://nvd.nist.gov/vuln/detail/CVE-2026-33818",
"https://go.dev/cl/814980",
"https://go.dev/issue/80405",
"https://groups.google.com/g/golang-announce/c/94pEornpRlI",
"https://pkg.go.dev/vuln/GO-2026-5972",
"https://access.redhat.com/security/cve/CVE-2026-39822",
"https://www.cve.org/CVERecord?id=CVE-2026-39822",
"https://nvd.nist.gov/vuln/detail/CVE-2026-39822",
"https://go.dev/cl/797880",
"https://go.dev/issue/79005",
"https://groups.google.com/g/golang-announce/c/OrmQE_Yp5Sc",
"https://pkg.go.dev/vuln/GO-2026-4970",
"https://access.redhat.com/security/cve/CVE-2026-42504",
"https://www.cve.org/CVERecord?id=CVE-2026-42504",
"https://nvd.nist.gov/vuln/detail/CVE-2026-42504",
"https://go.dev/cl/774481",
"https://go.dev/issue/79217",
"https://groups.google.com/g/golang-announce/c/tKs3rmcBcKw",
"https://pkg.go.dev/vuln/GO-2026-5038",
"https://access.redhat.com/security/cve/CVE-2026-56858",
"https://www.cve.org/CVERecord?id=CVE-2026-56858",
"https://nvd.nist.gov/vuln/detail/CVE-2026-56858",
"https://go.dev/cl/807100",
"https://go.dev/issue/80435",
"https://pkg.go.dev/vuln/GO-2026-6091",
"https://access.redhat.com/security/cve/CVE-2026-56859",
"https://www.cve.org/CVERecord?id=CVE-2026-56859",
"https://nvd.nist.gov/vuln/detail/CVE-2026-56859",
"https://go.dev/cl/803320",
"https://go.dev/issue/80481",
"https://pkg.go.dev/vuln/GO-2026-6088",
"https://access.redhat.com/security/cve/CVE-2026-56860",
"https://www.cve.org/CVERecord?id=CVE-2026-56860",
"https://nvd.nist.gov/vuln/detail/CVE-2026-56860",
"https://go.dev/cl/803681",
"https://go.dev/issue/80494",
"https://pkg.go.dev/vuln/GO-2026-6218",
"https://access.redhat.com/security/cve/CVE-2026-56862",
"https://www.cve.org/CVERecord?id=CVE-2026-56862",
"https://nvd.nist.gov/vuln/detail/CVE-2026-56862",
"https://go.dev/cl/804261",
"https://go.dev/issue/80528",
"https://pkg.go.dev/vuln/GO-2026-6090"
]
},
"related_cves": [
{
"value": "CVE-2026-33818",
"evidence": "/upstream"
},
{
"value": "CVE-2026-39822",
"evidence": "/upstream"
},
{
"value": "CVE-2026-42504",
"evidence": "/upstream"
},
{
"value": "CVE-2026-56858",
"evidence": "/upstream"
},
{
"value": "CVE-2026-56859",
"evidence": "/upstream"
},
{
"value": "CVE-2026-56860",
"evidence": "/upstream"
},
{
"value": "CVE-2026-56862",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 378730,
"published_at": "2026-09-16T10:14:26+00:00"
}