RHSA-2026:62409 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 4.14.73 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 4.14.

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

https://access.redhat.com/errata/RHBA-2026:62408

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/4.14/html/release_notes/

Security Fix(es):

• samba: group policy certificate enrollment uses http:// without validation (CVE-2026-3012)
• dracut: dracut: Root code execution via DHCP options command injection (CVE-2026-6893)
• dracut: dracut: root code execution via unescaped error message written to sourced emergency hook script in die() (CVE-2026-15816)
• gnutls: gnutls: Authentication Bypass via NUL Character in Username (CVE-2026-42010)
• kernel: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath (CVE-2026-43112)
• samba: vfs_worm does not block directory modification (CVE-2026-2340)
• gnutls: GnuTLS: Policy bypass due to case-sensitive nameConstraints comparison (CVE-2026-3833)
• libarchive: Double-Free Vulnerability in RAR5 Decompression Logic via dangling filtered_buf pointer in init_unpack() (CVE-2026-14164)
• systemd: systemd: Arbitrary code execution or Denial of Service via spurious IPC API call data (CVE-2026-29111)

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 4.14 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/4.14/html-single/updating_clusters/index#updating-cluster-cli.

Solution

For OpenShift Container Platform 4.14 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/4.14/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 sha256:7f1b9c23113bc7bdb125576cd84817bcca701055b76452149676770a301c8b32

(For s390x architecture)
The image digest is sha256:31179cd8edb0e05a0e297b2e2a4d47b4beab9c6d1e9753a1cbda1bd8e33d8cbd

(For ppc64le architecture)
The image digest is sha256:6dbedd53d65b4d9cc7973f6d28a9eb905cda5af6c1ebea7a28670c1351977107

(For aarch64 architecture)
The image digest is sha256:590c3eaa971d87b59542a8b3f65e20382bf4a140d139e0a6028f7295fcedf194

All OpenShift Container Platform 4.14 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/4.14/html-single/updating_clusters/index#updating-cluster-cli.

Affected Products

• Red Hat OpenShift Container Platform 4.14 for RHEL 9 x86_64
• Red Hat OpenShift Container Platform 4.14 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform for Power 4.14 for RHEL 9 ppc64le
• Red Hat OpenShift Container Platform for Power 4.14 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.14 for RHEL 9 s390x
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.14 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for ARM 64 4.14 for RHEL 9 aarch64
• Red Hat OpenShift Container Platform for ARM 64 4.14 for RHEL 8 aarch64

Fixes

• BZ - 2445763 - CVE-2026-3833 gnutls: GnuTLS: Policy bypass due to case-sensitive nameConstraints comparison
• BZ - 2447318 - CVE-2026-2340 samba: vfs_worm does not block directory modification
• BZ - 2447319 - CVE-2026-3012 samba: group policy certificate enrollment uses http:// without validation
• BZ - 2450505 - CVE-2026-29111 systemd: systemd: Arbitrary code execution or Denial of Service via spurious IPC API call data
• BZ - 2459963 - CVE-2026-6893 dracut: dracut: Root code execution via DHCP options command injection
• BZ - 2467015 - CVE-2026-43112 kernel: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath
• BZ - 2467289 - CVE-2026-42010 gnutls: gnutls: Authentication Bypass via NUL Character in Username
• BZ - 2493411 - CVE-2026-14164 libarchive: Double-Free Vulnerability in RAR5 Decompression Logic via dangling filtered_buf pointer in init_unpack()
• BZ - 2500889 - CVE-2026-15816 dracut: dracut: root code execution via unescaped error message written to sourced emergency hook script in die()

CVEs

• CVE-2026-2340
• CVE-2026-3012
• CVE-2026-3833
• CVE-2026-6893
• CVE-2026-14164
• CVE-2026-15816
• CVE-2026-29111
• CVE-2026-42010
• CVE-2026-43112

References

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