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.