Red Hat Product Errata RHSA-2026:13812 - Security Advisory Issued: 2026-05-05 Updated: 2026-05-05 RHSA-2026:13812 - Security Advisory Overview Updated Images Synopsis Important: updated RHEL-8 based Middleware Containers container images Type/Severity Security Advisory: Important 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-2026:11077 RHSA-2026:7667 RHSA-2026:8534 RHSA-2026:9745 (see References) Security Fixes: rsync: Rsync: Out of bounds array access via negative index (CVE-2025-10158) gnutls: Stack-based Buffer Overflow in gnutls_pkcs11_token_init() Function (CVE-2025-9820) gnutls: GnuTLS: Denial of Service via excessive resource consumption during certificate verification (CVE-2025-14831) openssh: OpenSSH GSSAPI: Information disclosure or denial of service due to uninitialized variables (CVE-2026-3497) nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination (CVE-2026-27135) libarchive: libarchive: Information disclosure via heap out-of-bounds read in RAR archive processing (CVE-2026-4424) python: Python: Command-line option injection in webbrowser.open() via crafted URLs (CVE-2026-4519) libarchive: libarchive: Arbitrary code execution via integer overflow in ISO9660 image processing (CVE-2026-5121) python: Python: Arbitrary code execution or information disclosure via use-after-free in decompression modules (CVE-2026-6100) python: cpython: Python: Arbitrary code execution via command injection in webbrowser.open() API (CVE-2026-4786) 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 Fixes BZ - 2392528 - CVE-2025-9820 gnutls: Stack-based Buffer Overflow in gnutls_pkcs11_token_init() Function BZ - 2415637 - CVE-2025-10158 rsync: Rsync: Out of bounds array access via negative index BZ - 2423177 - CVE-2025-14831 gnutls: GnuTLS: Denial of Service via excessive resource consumption during certificate verification BZ - 2447085 - CVE-2026-3497 openssh: OpenSSH GSSAPI: Information disclosure or denial of service due to uninitialized variables BZ - 2448754 - CVE-2026-27135 nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination BZ - 2449006 - CVE-2026-4424 libarchive: libarchive: Information disclosure via heap out-of-bounds read in RAR archive processing BZ - 2449649 - CVE-2026-4519 python: Python: Command-line option injection in webbrowser.open() via crafted URLs BZ - 2452945 - CVE-2026-5121 libarchive: libarchive: Arbitrary code execution via integer overflow in ISO9660 image processing BZ - 2457932 - CVE-2026-6100 python: Python: Arbitrary code execution or information disclosure via use-after-free in decompression modules BZ - 2458049 - CVE-2026-4786 python: cpython: Python: Arbitrary code execution via command injection in webbrowser.open() API CVEs CVE-2025-9820 CVE-2025-10158 CVE-2025-14831 CVE-2026-3497 CVE-2026-4424 CVE-2026-4519 CVE-2026-4786 CVE-2026-5121 CVE-2026-6100 CVE-2026-27135 References https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/errata/RHSA-2026:11077 https://access.redhat.com/errata/RHSA-2026:7667 https://access.redhat.com/errata/RHSA-2026:8534 https://access.redhat.com/errata/RHSA-2026:9745 https://errata.engineering.redhat.com/advisory/165062 https://access.redhat.com/containers x86_64 rhpam-7/rhpam-businesscentral-monitoring-rhel8@sha256:92df715c896f06f6aa93b631bd62e3a146bad3cd08666cbab955d5cccdad0ea0 rhpam-7/rhpam-businesscentral-rhel8@sha256:23b2eace9e0e381d6a8db37a11ebef3a092f7b14352b3a05187c7b9e78f6e60e rhpam-7/rhpam-controller-rhel8@sha256:6a8c527be5f7140866dca164d60ab484d40f28281becd849907f8740a8a2a87d rhpam-7/rhpam-dashbuilder-rhel8@sha256:64efe627bd982759b2492ca8bf4d31315c68bf0262c0ca448a93335a11c81673 rhpam-7/rhpam-kieserver-rhel8@sha256:56ce30c3d224f65df05b066f39741797836687b4aeab7d7269bf5d28f45dc04d rhpam-7/rhpam-operator-bundle@sha256:3378f77e5a1823d197c755b020e725ff0e72784994c0a755347a0999cef65931 rhpam-7/rhpam-process-migration-rhel8@sha256:a4a34e29ddb6f9d60e64f19bac7fe49eb0b66fcbb6803cbc6563b77e7d7f9904 rhpam-7/rhpam-smartrouter-rhel8@sha256:14df06eab56c17b7f718884c7379098ec3842ed99d6c5778dc2810ac9b1d4c17 The Red Hat security contact is secalert@redhat.com . More contact details at https://access.redhat.com/security/team/contact/ .