Issued:: 2026-05-13
Updated:: 2026-05-13

RHSA-2026:14773 - Important: OpenShift Container Platform 4.15.64 bug fix and security update

Synopsis

Important: OpenShift Container Platform 4.15.64 bug fix and security update

Type/Severity

Security Advisory Important

Topic

Red Hat OpenShift Container Platform release 4.15.64 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 4.15.

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

https://access.redhat.com/errata/RHBA-2026:14772

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/4.15/html/release_notes/

Security Fix(es):

openssh: OpenSSH GSSAPI: Information disclosure or denial of service due to uninitialized variables (CVE-2026-3497)
libarchive: Infinite Loop Denial of Service in RAR5 Decompression via archive_read_data() in libarchive (CVE-2026-4111)
libarchive: libarchive: Information disclosure via heap out-of-bounds read in RAR archive processing (CVE-2026-4424)
libpng: LIBPNG has a heap buffer overflow in png_set_quantize (CVE-2026-25646)
nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination (CVE-2026-27135)
vim: Vim: Arbitrary code execution via command injection in glob() function (CVE-2026-33412)
grub2: Missing unregister call for gettext command may lead to use-after-free (CVE-2025-61662)
openssl: OpenSSL: Arbitrary code execution due to out-of-bounds write in PKCS#12 processing (CVE-2025-69419)
libarchive: libarchive: Arbitrary code execution via integer overflow in ISO9660 image processing (CVE-2026-5121)
vim: Vim: Arbitrary code execution via 'helpfile' option processing (CVE-2026-25749)
vim: Vim: Arbitrary code execution via OS command injection in the netrw plugin (CVE-2026-28417)
vim: Vim: Denial of service and information disclosure via crafted swap file (CVE-2026-28421)
kernel: crypto: algif_aead - Revert to operating out-of-place (CVE-2026-31431)

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 4.15 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/4.15/html-single/updating_clusters/index#updating-cluster-cli.

Solution

For OpenShift Container Platform 4.15 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/4.15/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 Content from quay.io is not included.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 sha256:20b5c12f3ca21aecb8a8b0208cc0c1e91b979f31e2dff4d7706eacc87afb9136

  (For s390x architecture)
  The image digest is sha256:8c7f987d305edccc45f5e8646b436b17e1ed663cf44f146eb31b16ecd721309b

  (For ppc64le architecture)
  The image digest is sha256:0479a675177654d15cd698e7b27b18a4638e435fd2476e198602e4865bd68e8b

  (For aarch64 architecture)
  The image digest is sha256:1079c0d0e47ebb0e9a9c95842c52caa8bf33105c579b090dd307639abd0c9d79

Affected Products

Product	Version	Arch
Red Hat OpenShift Container Platform	4.15	x86_64
Red Hat OpenShift Container Platform	4.15	x86_64
Red Hat OpenShift Container Platform for Power	4.15	ppc64le
Red Hat OpenShift Container Platform for Power	4.15	ppc64le
Red Hat OpenShift Container Platform for IBM Z and LinuxONE	4.15	s390x
Red Hat OpenShift Container Platform for IBM Z and LinuxONE	4.15	s390x
Red Hat OpenShift Container Platform for ARM 64	4.15	aarch64
Red Hat OpenShift Container Platform for ARM 64	4.15	aarch64

Fixes

CVEs

References

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

Additional information

The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at Security Contacts and Procedures.
Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.