RHBA-2026:2666 - Bug Fix Advisory

Topic

Updated RHEL-8 based Middleware Containers container images are now available

Description

The RHEL-8 based Middleware Containers container images have been updated to address the following security advisory: RHSA-2026:2128 (see References)

Users of RHEL-8 based Middleware Containers 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 images 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 4.10 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform 4.9 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform 4.8 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform 4.7 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform 4.6 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform 4.5 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform 4.4 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform 4.3 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform 4.2 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform 4.1 for RHEL 8 x86_64
• Red Hat JBoss Middleware 1 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 Power 4.8 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for Power 4.7 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for Power 4.6 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for Power 4.5 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for Power 4.4 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for Power 4.3 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
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.8 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.7 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.6 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.5 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.4 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.3 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.2 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for ARM 64 4.10 aarch64

Fixes

• BZ - 2431367 - CVE-2026-0865 cpython: wsgiref.headers.Headers allows header newline injection in Python
• BZ - 2431368 - CVE-2025-15366 cpython: IMAP command injection in user-controlled commands
• BZ - 2431373 - CVE-2025-15367 cpython: POP3 command injection in user-controlled commands
• BZ - 2432437 - CVE-2026-1299 cpython: email header injection due to unquoted newlines

CVEs

• CVE-2025-14104
• CVE-2025-15366
• CVE-2025-15367
• CVE-2026-0865
• CVE-2026-1299

References

• https://access.redhat.com/errata/RHSA-2026:2128
• https://access.redhat.com/containers