Red Hat Product Errata RHSA-2026:95745 - Security Advisory
Issued:
2026-11-11
Updated:
2026-11-11

RHSA-2026:95745 - Security Advisory

Synopsis

Critical: OpenShift Container Platform 4.13.73 bug fix and security update

Type/Severity

Security Advisory: Critical

Topic

Red Hat OpenShift Container Platform release 4.13.73 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 4.13.

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

https://access.redhat.com/errata/RHSA-2026:95744

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):

  • kernel: ipv4: free inet_opt and ireq_opt after an RCU grace period (CVE-2026-98432)

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 sha256:80000563b92e45a91e80d9318811ec2b81d7274b32ddbd5043d306267dd8cd6d

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 - 2366982 - CVE-2025-47273 setuptools: Path Traversal Vulnerability in setuptools PackageIndex
  • BZ - 2456314 - CVE-2026-28390 openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing
  • BZ - 2462351 - CVE-2026-55653 openssh: Double free in Red Hat Enterprise Linux versions of OpenSSH DH-GEX client path during FIPS known-group validation leads to client-side denial of service
  • BZ - 2466994 - CVE-2026-43114 kernel: netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry
  • BZ - 2467437 - CVE-2026-42011 gnutls: gnutls: Security bypass due to incorrect name constraint handling
  • BZ - 2467448 - CVE-2026-42013 gnutls: gnutls: Certificate validation bypass due to oversized Subject Alternative Name
  • BZ - 2481884 - CVE-2026-34182 openssl: CMS AuthEnvelopedData Processing May Accept Forged Messages
  • BZ - 2481896 - CVE-2026-45445 openssl: AES-OCB IV Ignored on EVP_Cipher() Path
  • BZ - 2481898 - CVE-2026-45447 openssl: Heap Use-After-Free in OpenSSL PKCS7_verify()
  • BZ - 2497927 - CVE-2026-59995 openssh: OpenSSH: sftp client allows attacker to control downloaded file location
  • BZ - 2497936 - CVE-2026-60002 openssh: OpenSSH: Use-after-free vulnerability during host key re-exchange on the client side
  • BZ - 2497942 - CVE-2026-59999 openssh: OpenSSH sshd: Security bypass due to incorrect handling of forwarding and tunneling options
  • BZ - 2502845 - CVE-2026-16313 sg3_utils: sg3_utils: arbitrary command execution via udev property injection in sg_inq --export
  • BZ - 2510890 - CVE-2026-64564 kernel: sctp: don't free the ASCONF's own transport in DEL-IP processing
  • BZ - 2513233 - CVE-2026-68121 kernel: pppoe: reload header pointer after dev_hard_header()
  • BZ - 2528542 - CVE-2026-80792 kernel: ipv6: fix use-after-free in ip6_finish_output2()
  • BZ - 2528986 - CVE-2026-86138 libxml2: libxml2: Arbitrary code execution via heap-based buffer overflow
  • BZ - 2528987 - CVE-2026-86143 libxml2: libxml2: Data integrity issues due to integer overflow in write callbacks
  • BZ - 2528989 - CVE-2026-86140 libxml2: libxml2: Arbitrary code execution via stack-based buffer overflow in xmlSnprintfElements
  • BZ - 2528990 - CVE-2026-86142 libxml2: libxml2: Heap-based buffer overflow in xmlXPtrEval due to xpointer length saturation
  • BZ - 2528992 - CVE-2026-86144 libxml2: libxml2: Information disclosure, SSRF, or denial of service due to improper parseFlags propagation.
  • BZ - 2528993 - CVE-2026-86145 pcre2: PCRE2: Out-of-bounds write allows arbitrary code execution via crafted regular expressions
  • BZ - 2531747 - CVE-2026-89161 pcre2: PCRE2: Memory corruption vulnerability in pcre2_jit_match
  • BZ - 2535391 - CVE-2026-89846 kernel: scsi: qla2xxx: Bound rsp_info_len to avoid OOB sense-data read
  • BZ - 2543797 - CVE-2026-103111 pcre2: pcre2: Out-of-bounds write via crafted regular expression
  • BZ - 2553390 - CVE-2026-98432 kernel: ipv4: free inet_opt and ireq_opt after an RCU grace period
  • BZ - 2553429 - CVE-2026-99999 kernel: ipv4: validate checksum_start before completing checksum
  • BZ - 2556046 - CVE-2026-114406 ca-certificates: Distrust eMudhra intermediate CA certificates due to security concerns
  • BZ - 2558973 - CVE-2026-111497 brotli: Out-of-Bounds Write in Google Brotli Decoder

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