RHSA-2026:12274 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 4.12.88 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 Low. 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 4.12.88. See the following advisory for the RPM packages for this
release:

https://access.redhat.com/errata/RHSA-2026:12273

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):

None

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 x86_64 architecture. The image digest may be found at
https://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.

The sha value for the release is as follows:

(For x86_64 architecture)
The image digest is sha256:3e68f1c5d392780d1e848c2b98dbfd9965b3dfc85b4279ca894003c6495420fd

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 - 2428824 - CVE-2026-22801 libpng: libpng: Information disclosure and denial of service via integer truncation in simplified write API
• BZ - 2428825 - CVE-2026-22695 libpng: libpng: Denial of service and information disclosure via heap buffer over-read in png_image_finish_read
• BZ - 2437843 - CVE-2026-25749 vim: Vim: Arbitrary code execution via 'helpfile' option processing
• BZ - 2438542 - CVE-2026-25646 libpng: LIBPNG has a heap buffer overflow in png_set_quantize
• BZ - 2443455 - CVE-2026-28417 vim: Vim: Arbitrary code execution via OS command injection in the netrw plugin
• BZ - 2443474 - CVE-2026-28421 vim: Vim: Denial of service and information disclosure via crafted swap file
• BZ - 2449006 - CVE-2026-4424 libarchive: libarchive: Information disclosure via heap out-of-bounds read in RAR archive processing
• BZ - 2450907 - CVE-2026-33412 vim: Vim: Arbitrary code execution via command injection in glob() function
• BZ - 2452945 - CVE-2026-5121 libarchive: libarchive: Arbitrary code execution via integer overflow in ISO9660 image processing

CVEs

• CVE-2026-4424
• CVE-2026-5121
• CVE-2026-22695
• CVE-2026-22801
• CVE-2026-25646
• CVE-2026-25749
• CVE-2026-28417
• CVE-2026-28421
• CVE-2026-33412

References

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