RHSA-2025:8303 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 4.12.77 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 4.12.

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

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 4.12.77. See the following advisory for the RPM packages for this release:

https://access.redhat.com/errata/RHBA-2025:8304

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/4.12/html/release_notes

Security Fix(es):

• libxslt: Use-After-Free in libxslt (xsltGetInheritedNsList)

(CVE-2024-55549)

• libxslt: Use-After-Free in libxslt numbers.c (CVE-2025-24855)

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 4.12 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/4.12/html-single/updating_clusters/index#updating-cluster-within-minor.

Solution

For OpenShift Container Platform 4.12 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/4.12/html/release_notes

You may download the oc tool and use it to inspect release image metadata for the x86_64 architecture. 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 sha256:753e18b761de2e56bdf29b56665c33624f1c27d7cfa0b6b5c081bcc3b035c864

All OpenShift Container Platform 4.12 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/4.12/html-single/updating_clusters/index#updating-cluster-within-minor.

Affected Products

• Red Hat OpenShift Container Platform 4.12 for RHEL 9 x86_64
• Red Hat OpenShift Container Platform 4.12 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform for Power 4.12 for RHEL 9 ppc64le
• Red Hat OpenShift Container Platform for Power 4.12 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.12 for RHEL 9 s390x
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.12 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for ARM 64 4.12 for RHEL 9 aarch64
• Red Hat OpenShift Container Platform for ARM 64 4.12 for RHEL 8 aarch64

Fixes

• BZ - 2352483 - CVE-2025-24855 libxslt: Use-After-Free in libxslt numbers.c
• BZ - 2352484 - CVE-2024-55549 libxslt: Use-After-Free in libxslt (xsltGetInheritedNsList)
• OCPBUGS-37799 - [sig-builds][Feature:Builds][Slow] can use private repositories as build input build using an HTTP token should be able to clone source code via an HTTP token [apigroup:build.openshift.io]
• OCPBUGS-54772 - Component Readiness: [Networking / ovn-kubernetes] [EgressFirewall] test regressed
• OCPBUGS-55035 - [IBMCloud] the CIS "plugin did not respond" blocked the public install
• OCPBUGS-56130 - Allow from host network netpol doesn't work because flows in table 80 are not created against VNID 0
• OCPBUGS-55951 - ovn-kubernetes fails image grading in 4.13 and 4.12

CVEs

• CVE-2023-2953
• CVE-2023-53107
• CVE-2024-52005
• CVE-2024-55549
• CVE-2025-0650
• CVE-2025-24855

References

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