RHBA-2026:1728 - Bug Fix Advisory

Topic

Updated rh-sso-7/sso76-openshift-rhel8 container image is now available for RHEL-8 based Middleware Containers.

Description

The rh-sso-7/sso76-openshift-rhel8 container image has been updated for RHEL-8 based Middleware Containers to address the following security advisory: RHSA-2026:1254 (see References)

Users of rh-sso-7/sso76-openshift-rhel8 container images are advised to upgrade to these updated images, which contain backported patches to correct these security issues, fix these bugs and add these enhancements. Users of these images are also encouraged to rebuild all container images that depend on these images.

You can find images updated by this advisory in Red Hat Container Catalog (see References).

Solution

The RHEL-8 based Middleware Containers container image provided by this update can be downloaded from the Red Hat Container Registry at registry.access.redhat.com. Installation instructions for your platform are available at Red Hat Container Catalog (see References).

Dockerfiles and scripts should be amended either to refer to this new image specifically, or to the latest image generally.

Affected Products

• Red Hat OpenShift Container Platform 4.12 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform 4.11 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform for Power 4.10 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for Power 4.9 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.10 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.9 for RHEL 8 s390x

Fixes

• BZ - 2419455 - CVE-2025-66418 urllib3: urllib3: Unbounded decompression chain leads to resource exhaustion
• BZ - 2419467 - CVE-2025-66471 urllib3: urllib3 Streaming API improperly handles highly compressed data
• BZ - 2427726 - CVE-2026-21441 urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API)

CVEs

• CVE-2025-9086
• CVE-2025-9230
• CVE-2025-13601
• CVE-2025-58436
• CVE-2025-61915
• CVE-2025-64720
• CVE-2025-65018
• CVE-2025-66293
• CVE-2025-66418
• CVE-2025-66471
• CVE-2025-68973
• CVE-2026-21441
• CVE-2026-21925
• CVE-2026-21933
• CVE-2026-21945

References

• https://access.redhat.com/errata/RHSA-2026:1254
• https://catalog.redhat.com/software/containers/registry/registry.access.redhat.com/repository/rh-sso-7/sso76-openshift-rhel8