Red Hat Product Errata RHSA-2026:14773 - Security Advisory
Issued:
2026-05-13
Updated:
2026-05-13

RHSA-2026:14773 - Security Advisory

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
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

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.

Affected Products

  • Red Hat OpenShift Container Platform 4.15 for RHEL 9 x86_64
  • Red Hat OpenShift Container Platform 4.15 for RHEL 8 x86_64
  • Red Hat OpenShift Container Platform for Power 4.15 for RHEL 9 ppc64le
  • Red Hat OpenShift Container Platform for Power 4.15 for RHEL 8 ppc64le
  • Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.15 for RHEL 9 s390x
  • Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.15 for RHEL 8 s390x
  • Red Hat OpenShift Container Platform for ARM 64 4.15 for RHEL 9 aarch64
  • Red Hat OpenShift Container Platform for ARM 64 4.15 for RHEL 8 aarch64

Fixes

  • BZ - 2414683 - CVE-2025-61662 grub2: Missing unregister call for gettext command may lead to use-after-free
  • BZ - 2430386 - CVE-2025-69419 openssl: OpenSSL: Arbitrary code execution due to out-of-bounds write in PKCS#12 processing
  • 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 - 2446453 - CVE-2026-4111 libarchive: Infinite Loop Denial of Service in RAR5 Decompression via archive_read_data() in libarchive
  • BZ - 2447085 - CVE-2026-3497 openssh: OpenSSH GSSAPI: Information disclosure or denial of service due to uninitialized variables
  • BZ - 2448754 - CVE-2026-27135 nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination
  • 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
  • BZ - 2460538 - CVE-2026-31431 kernel: crypto: algif_aead - Revert to operating out-of-place

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.