RHSA-2026:43252: Important: OpenShift Container Platform 4.14.70 bug fix and security update
Important: OpenShift Container Platform 4.14.70 bug fix and security update
Other sources
Red Hat OpenShift Container Platform is Red Hat's cloud computingKubernetes application platform solution designed for on-premise or privatecloud deployments.This advisory contains the container images for Red Hat OpenShift ContainerPlatform 4.14.70. See the following advisory for the RPM packages for thisrelease:https://access.redhat.com/errata/RHBA-2026:43251 Space precludes documenting all of the container images in this advisory.See the following Release Notes documentation, which will be updatedshortly for this release, for details about these changes:https://docs.redhat.com/en/documentation/openshiftcontainerplatform/4.14/html/releasenotes/ Security Fix(es): kernel: netfilter: flowtable: strictly check for maximum number of actions (CVE-2026-43329) glibc: glibc: Heap Buffer Overflow in scanf with %mc format specifier and large width (CVE-2026-5450) openssl: openssl: Information Disclosure from Uninitialized Memory via Invalid RSA Public Key (CVE-2026-31790)For more details about the security issue(s), including the impact, a CVSSscore, acknowledgments, and other related information, refer to the CVEpage(s) listed in the References section.All OpenShift Container Platform 4.14 users are advised to upgrade to theseupdated packages and images when they are available in the appropriaterelease channel. To check for available updates, use the OpenShift CLI (oc)or web console. Instructions for upgrading a cluster are available athttps://docs.redhat.com/en/documentation/openshiftcontainerplatform/4.14/html-single/updatingclusters/index#updating-cluster-cli.
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
OpenShift Container Platform 4.14to a version that resolves this vulnerability.Fixed in 4.14.70Patch RHBA-2026:43251 - Compensating control
When upgrading, use the OpenShift CLI (oc) to inspect release image metadata for x86_64, s390x, ppc64le, and aarch64, and verify the release image digests match the advisory (x86_64 sha256:1295cbaf9e211bbfcca95501eb454f2cdb90d31ff3c724cc96dbb1b55788d4bc; s390x sha256:5fc9b0efdcad856ce6d83ec89ce252347fbbfaf8a8f8f6a9352418ab2ffcf4a1; ppc64le sha256:8474aa39e1c5842c8a9209f42b877ffe06df7f4977cab7f2a881ec57aa6abd31; aarch64 sha256:4ac3fcf2d340595a8182aec92cf3e7b5c8d7d28932afa8b547c987046dda07be).
Event History
Frequently Asked Questions
What is the severity of RHSA-2026:43252?
The severity of RHSA-2026:43252 is categorized as high with a score of 7.
What type of vulnerability is addressed in RHSA-2026:43252?
RHSA-2026:43252 addresses a buffer overflow vulnerability.
How do I fix RHSA-2026:43252?
To fix RHSA-2026:43252, you should update to the latest Red Hat OpenShift Container Platform version as recommended in the advisory.
What are the affected products in RHSA-2026:43252?
The affected products include Red Hat OpenShift Container Platform for various architectures including IBM Z, LinuxONE, Power, and ARM 64.
When was RHSA-2026:43252 published?
RHSA-2026:43252 was published on July 30, 2026.