RHBA-2026:87453 - Bug Fix Advisory

Topic

Updated Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 container images are now available

Description

The Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 container images have been updated to address the following security advisory: RHSA-2026:84586 (see References)

Users of Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 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 Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 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

• JBoss Enterprise Application Platform 7.4 ELS 7.4 for RHEL 8 x86_64

Fixes

• BZ - 2543229 - CVE-2026-102556 libsoup: libsoup: Heap buffer overflow from WebSocket Pong signal type confusion
• BZ - 2543231 - CVE-2026-102557 libsoup: libsoup: Heap buffer overflow during WebSocket message reassembly
• BZ - 2543274 - CVE-2026-102558 libsoup: libsoup: Heap buffer overflow during WebSocket receive-buffer growth
• BZ - 2543285 - CVE-2026-102559 libsoup: libsoup: Heap buffer overflow during WebSocket client-frame masking

CVEs

• CVE-2026-19953
• CVE-2026-102556
• CVE-2026-102557
• CVE-2026-102558
• CVE-2026-102559

References

• https://access.redhat.com/errata/RHSA-2026:84586
• https://access.redhat.com/containers