Red Hat Security Advisory

RHSA-2026:79157

OpenShift Container Platform 4.21.37 bug fix and security update

Released 2026-10-13 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat OpenShift Container Platform 4.21 registry.redhat.io/openshift4/ose-csi-external-snapshotter-rhel9, registry.redhat.io/openshift4/ose-docker-registry-rhel9, registry.redhat.io/openshift4/ose-gcp-pd-csi-driver-rhel9 +3

Fixes 1 record

TI-2026-26186 CVE-2026-33814

Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net

MEDIUM 40

When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.0084 Published 2026-05-07 Partial fix · 0.53.0, 1.25.10 +1 CWE-835