RHSA-2026:26542 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 4.13.68 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 4.13.

Red Hat Product Security has rated this update as having a security impact of Critical. 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 4.13.68. See the following advisory for the RPM packages for this release:

https://access.redhat.com/errata/RHSA-2026:26541

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/4.13/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 4.13 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/4.13/html-single/updating_clusters/index#updating-cluster-within-minor.

Solution

For OpenShift Container Platform 4.13 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/4.13/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:b9b407bf3f979c98ce5c702053133e3fc45e3de56255c3f26471e1c430983b53

All OpenShift Container Platform 4.13 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/4.13/html-single/updating_clusters/index#updating-cluster-within-minor.

Affected Products

• Red Hat OpenShift Container Platform 4.13 for RHEL 9 x86_64
• Red Hat OpenShift Container Platform 4.13 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform for Power 4.13 for RHEL 9 ppc64le
• Red Hat OpenShift Container Platform for Power 4.13 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.13 for RHEL 9 s390x
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.13 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for ARM 64 4.13 for RHEL 9 aarch64
• Red Hat OpenShift Container Platform for ARM 64 4.13 for RHEL 8 aarch64

Fixes

• BZ - 2451615 - CVE-2026-4878 libcap: libcap: Privilege escalation via TOCTOU race condition in cap_set_file()
• BZ - 2454469 - CVE-2026-35385 OpenSSH: OpenSSH: Privilege escalation via scp legacy protocol when not preserving file mode
• BZ - 2458077 - CVE-2026-39979 jq: out-of-bounds read in jv_parse_sized() on error formatting for non-NUL-terminated buffers
• BZ - 2458084 - CVE-2026-40164 jq: jq: Denial of Service via crafted JSON object causing hash collisions
• BZ - 2458898 - CVE-2026-41035 rsync: Rsync: Use-after-free vulnerability in extended attribute handling
• BZ - 2464351 - CVE-2026-43037 kernel: ip6_tunnel: clear skb2->cb[] in ip4ip6_err()
• BZ - 2467771 - CVE-2026-43284 kernel: "Dirty Frag" ESP XFRM variant is a new universal Local Privilege Escalation (LPE) vulnerability in the Linux kernel

CVEs

• CVE-2026-4878
• CVE-2026-35385
• CVE-2026-39979
• CVE-2026-40164
• CVE-2026-41035
• CVE-2026-43037
• CVE-2026-43284

References

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