Red Hat Security Advisory

RHSA-2026:21704

OpenShift Container Platform 4.20.24 security and extras update

Released 2026-06-03 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat OpenShift Container Platform 4.20 registry.redhat.io/openshift4/ose-aws-efs-csi-driver-container-rhel9, registry.redhat.io/openshift4/ose-cluster-nfd-rhel9-operator, registry.redhat.io/openshift4/ose-dpu-cni-rhel9 +3

TI-2026-25614 CVE-2026-33186 · GHSA-p77j-4mvh-x3m3

MEDIUM 49

gRPC-Go is the Go language implementation of gRPC.

CVSS 3.1CRITICAL 9.1 Network No auth No interaction EPSS 0.01619 Published 2026-03-20 Partial fix · 1.79.3 CWE-285

TI-2025-35990 CVE-2025-58183 · GHSA-9gcr-gp5f-jw27

LOW 20

tar.Reader does not set a maximum size on the number of sparse region data blocks in GNU tar pax 1.0 sparse files.

CVSS 3.1MEDIUM 4.3 Network No auth User interaction EPSS 0.00443 Published 2025-10-29 Partial fix · 1.24.8, 1.25.2