RHSA-2026:91635HighCVSS 7.5

Red Hat Security Advisory: OpenShift Container Platform 4.14 CNF IBU extras update

Published
October 28, 2026
Last Modified
October 30, 2026

🔗 CVE IDs covered (2)

CVE-2026-39829 →CVE-2026-33814 →

📋 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 4.14
  • registry.redhat.io/openshift4/lifecycle-agent-operator-bundle@sha256:d67f2513e6fa1fc426d2915fe1053f62c59137a0d7339940f2a593ca2f110074_amd64 as a component of Red Hat OpenShift Container Platform 4.14
  • registry.redhat.io/openshift4/lifecycle-agent-rhel9-operator@sha256:5973eae1b4905f8d7aa282ccecdae8d25258afba5a05d27d5b97de20fbb883ed_amd64 as a component of Red Hat OpenShift Container Platform 4.14
  • registry.redhat.io/openshift4/recert-rhel9@sha256:3bc8532064523bde5f7f657556fe735bdbbe6e8be8d38407698309e045667e53_amd64 as a component of Red Hat OpenShift Container Platform 4.14

✅ Remediation

For OpenShift Container Platform 4.14, 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/4.14/html/release_notes/index Information about accessing this content is available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.14/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)