RHSA-2026:82055HighCVSS 7.5

Red Hat Security Advisory: OpenShift Container Platform 4.18 CNF IBU extras update

Published
October 13, 2026
Last Modified
October 15, 2026

🔗 CVE IDs covered (2)

CVE-2026-33814 →CVE-2026-39829 →

📋 Description

CVE-2026-33814 — net/http/internal/http2: golang: golang.org/x/net: Go HTTP/2: Denial of Service via malformed SETTINGS_MAX_FRAME_SIZE frame CVE-2026-39829 — golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via crafted public key with excessive parameters

🎯 Affected products4

  • Red Hat OpenShift Container Platform 4.18
  • registry.redhat.io/openshift4/lifecycle-agent-operator-bundle@sha256:52383c29c641da5dca453837aa9d9b8cbf92db4eb178b5dbe5be2f242b3468b1_amd64 as a component of Red Hat OpenShift Container Platform 4.18
  • registry.redhat.io/openshift4/lifecycle-agent-rhel9-operator@sha256:2ba9f1596033a32d705f727bae5958b1b4db896bbd271d9ed9d05363862508a6_amd64 as a component of Red Hat OpenShift Container Platform 4.18
  • registry.redhat.io/openshift4/recert-rhel9@sha256:5be813ed7a615d3c5cc8909d58a215ba690b4f7906ef81ef06860216626ba416_amd64 as a component of Red Hat OpenShift Container Platform 4.18

✅ Remediation

For OpenShift Container Platform 4.18, see the following documentation for important instructions about upgrading your cluster and applying this asynchronous errata update: https://docs.redhat.com/en/documentation/openshift_container_platform/4.18/html/release_notes/index Information about accessing this content is available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.18/html-single/updating_clusters/index#updating-cluster-cli Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

🔗 References (5)