RHSA-2025:3066 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 4.18.6 is now available with updates to packages and images that fix several bugs and add enhancements.

This release includes a security update for Red Hat OpenShift Container Platform 4.18.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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 container images for Red Hat OpenShift Container Platform 4.18.6. See the following advisory for the RPM packages for this release:

https://access.redhat.com/errata/RHSA-2025:3068

Space precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes:

https://docs.redhat.com/en/documentation/openshift_container_platform/4.18/html/release_notes/

Security Fix(es):

• libxml2: Use-After-Free in libxml2 (CVE-2024-56171)
• go-jose: Go JOSE's Parsing Vulnerable to Denial of Service

(CVE-2025-27144)

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 4.18 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/openshift_container_platform/4.18/html-single/updating_clusters/index#updating-cluster-cli.

Solution

For OpenShift Container Platform 4.18 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update:

https://docs.redhat.com/en/documentation/openshift_container_platform/4.18/html/release_notes/

You may download the oc tool and use it to inspect release image metadata for x86_64, s390x, ppc64le, and aarch64 architectures. The image digests may be found at https://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.

The sha values for the release are as follows:

(For x86_64 architecture)
The image digest is sha256:61fdad894f035a8b192647c224faf565279518255bdbf60a91db4ee0479adaa6

(For s390x architecture)
The image digest is sha256:d23d9606b041cab5a558d7256d1e942ec46e8a95b1d2e78a1639745b51a1935f

(For ppc64le architecture)
The image digest is sha256:ac80b3f4836157b3a240180b52df9b4796bfc16b4e869ef03d8901de21b6dba0

(For aarch64 architecture)
The image digest is sha256:d1dc7362306233369356bdcbe365e3e39e494f65bfe1c805c9c41eafa43c143a

All OpenShift Container Platform 4.18 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/openshift_container_platform/4.18/html-single/updating_clusters/index#updating-cluster-cli.

Affected Products

• Red Hat OpenShift Container Platform 4.18 for RHEL 9 x86_64
• Red Hat OpenShift Container Platform 4.18 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform for Power 4.18 for RHEL 9 ppc64le
• Red Hat OpenShift Container Platform for Power 4.18 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.18 for RHEL 9 s390x
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.18 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for ARM 64 4.18 for RHEL 9 aarch64
• Red Hat OpenShift Container Platform for ARM 64 4.18 for RHEL 8 aarch64

Fixes

• BZ - 2346416 - CVE-2024-56171 libxml2: Use-After-Free in libxml2
• BZ - 2347423 - CVE-2025-27144 go-jose: Go JOSE's Parsing Vulnerable to Denial of Service
• OCPBUGS-32792 - IPI-openstack installation fail because nameserver of /etc/resolv.conf on bootstrap node is not set properly
• OCPBUGS-44185 - Using nmcli to activate (up) or deactivate (down) the active slaves breaks the bond.
• OCPBUGS-48305 - [4.18] frr-k8s listening on host's 8081
• OCPBUGS-50810 - cluster-compare tool warnings are too prevalent for the RAN reference
• OCPBUGS-50996 - v2: no progress output on non-tty console
• OCPBUGS-51306 - cluster-compare capture group fails with regex content in source CR
• OCPBUGS-52371 - Update the monitoring topic used by the console team
• OCPBUGS-52406 - Namespace path in URL is ignored and changed to all-namespaces for the first login
• OCPBUGS-52490 - [release-4.18] NodeLogs Selects don't close when clicking outside the menu
• OCPBUGS-52495 - Machine scale failed for GCP Marketplace cluster after upgrade from 4.12 to 4.13
• OCPBUGS-52863 - Stop using DevMode for loggers
• OCPBUGS-52878 - Kubernetes API Server apply-bootstrap container does not respect SIGTERM
• OCPBUGS-52943 - [v2] d2m fails when invalid package is found in the ImageSetConfiguration
• OCPBUGS-52982 - Fix audit-logs container to properly handle SIGTERM
• OCPBUGS-53024 - Fix opentelemetry metrics to use regexp on label match
• OCPBUGS-53040 - fix missing Pod disruption reasons
• OCPBUGS-53108 - The openshift-operator-lifecycle-manager and openshift-marketplace namespaces still use old pod-security.kubernetes.io/*-version v1.24 and v1.25 respectively
• OCPBUGS-53111 - Race condition in rpm-ostree update logic
• OCPBUGS-53149 - The operator-marketplace still use old pod-security.kubernetes.io/*-version v1.24 and v1.25 respectively

CVEs

• CVE-2020-11023
• CVE-2022-49043
• CVE-2023-52605
• CVE-2024-11187
• CVE-2024-24857
• CVE-2024-26733
• CVE-2024-26851
• CVE-2024-26872
• CVE-2024-26940
• CVE-2024-27014
• CVE-2024-35809
• CVE-2024-35835
• CVE-2024-35854
• CVE-2024-36901
• CVE-2024-36920
• CVE-2024-36927
• CVE-2024-42084
• CVE-2024-42265
• CVE-2024-43892
• CVE-2024-56171
• CVE-2025-21785
• CVE-2025-24201
• CVE-2025-24928
• CVE-2025-27144

References

• https://access.redhat.com/security/updates/classification/#important