RHSA-2026:57367: OpenShift Container Platform 4.22.11 security and extras update
Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.22.11. See the following advisory for the container images for this release:https://access.redhat.com/errata/RHSA-2026:57365 Security Fix(es): brace-expansion: Brace-expansion: Denial of Service via memory exhaustion in expand() function (CVE-2026-14257) brace-expansion: DoS via unbounded intermediate arrays, bypassing the CVE-2026-14257 mitigation (CVE-2026-69152) net/http/internal/http2: golang: golang.org/x/net: Go HTTP/2: Denial of Service via malformed SETTINGSMAXFRAMESIZE frame (CVE-2026-33814) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.All OpenShift Container Platform 4.22 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.redhat.com/en/documentation/openshiftcontainerplatform/4.22/html-single/updatingclusters/index#updating-cluster-cli.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Red Hat OpenShift Container Platform 4.22to a version that resolves this vulnerability.Fixed in 4.22.11Patch RHSA-2026:57365
Event History
Frequently Asked Questions
Which OpenShift deployments should prioritize this update?
All Red Hat OpenShift Container Platform 4.22 users are advised to upgrade to the updated packages and images when they become available in their release channel.
Are the container images included in this RPM advisory?
No. This advisory contains RPM packages for OpenShift Container Platform 4.22.11; the corresponding container images are covered by RHSA-2026:57365.
How can administrators check whether the update is available?
Check the appropriate release channel using the OpenShift CLI (oc) or the web console.