RHBA-2026:74142 - Bug Fix Advisory

Topic

Updated RHEL-9 based Middleware Containers container images are now available

Description

The RHEL-9 based Middleware Containers container images have been updated to address the following security advisory: RHSA-2026:71585 (see References)

Users of RHEL-9 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-9 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 JBoss Middleware 1 x86_64

Fixes

• BZ - 2528986 - CVE-2026-86138 libxml2: libxml2: Arbitrary code execution via heap-based buffer overflow
• BZ - 2528987 - CVE-2026-86143 libxml2: libxml2: Data integrity issues due to integer overflow in write callbacks
• BZ - 2528989 - CVE-2026-86140 libxml2: libxml2: Arbitrary code execution via stack-based buffer overflow in xmlSnprintfElements
• BZ - 2528990 - CVE-2026-86142 libxml2: libxml2: Heap-based buffer overflow in xmlXPtrEval due to xpointer length saturation
• BZ - 2528992 - CVE-2026-86144 libxml2: libxml2: Information disclosure, SSRF, or denial of service due to improper parseFlags propagation.
• BZ - 2529697 - CVE-2026-74860 libxml2: double-free/UAF in libxml2 Python bindings

CVEs

• CVE-2026-74860
• CVE-2026-86138
• CVE-2026-86140
• CVE-2026-86142
• CVE-2026-86143
• CVE-2026-86144

References

• https://access.redhat.com/errata/RHSA-2026:71585
• https://access.redhat.com/containers