RHBA-2026:83558 - Bug Fix Advisory

Topic

Updated Red Hat JBoss Data Grid 8.6 on RHEL 9 container images are now available

Description

The Red Hat JBoss Data Grid 8.6 on RHEL 9 container images have been updated to address the following security advisory: RHSA-2026:79281 (see References)

Users of Red Hat JBoss Data Grid 8.6 on RHEL 9 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 Data Grid 8.6 on RHEL 9 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 Data Grid 8 x86_64

Fixes

• BZ - 2513603 - CVE-2026-6791 glibc: Glibc: Denial of Service via stack exhaustion during tilde expansion
• BZ - 2513608 - CVE-2026-6368 glibc: glibc: Process abort due to invalid memory in wordexp
• BZ - 2523249 - CVE-2026-19542 glibc: Fix out-of-bounds array write in tdelete
• BZ - 2523274 - CVE-2026-77117 glibc: Non-progress DoS in SHIFT_JISX0213 -&gt
• BZ - 2524870 - CVE-2026-80489 glibc: Non-progress DoS in EUC_JISX0213 -> UCS-4 conversion state
• BZ - 2525256 - CVE-2026-18374 glibc: glibc: Heap buffer overflow via attacker-controlled fopen mode string

CVEs

• CVE-2026-6368
• CVE-2026-6791
• CVE-2026-8458
• CVE-2026-8927
• CVE-2026-16118
• CVE-2026-18374
• CVE-2026-19542
• CVE-2026-40467
• CVE-2026-40468
• CVE-2026-40553
• CVE-2026-54371
• CVE-2026-56392
• CVE-2026-63379
• CVE-2026-63381
• CVE-2026-63382
• CVE-2026-63383
• CVE-2026-63384
• CVE-2026-63385
• CVE-2026-63387
• CVE-2026-63388
• CVE-2026-66046
• CVE-2026-73073
• CVE-2026-74860
• CVE-2026-77117
• CVE-2026-80489
• CVE-2026-84782
• CVE-2026-86138
• CVE-2026-86140
• CVE-2026-86142
• CVE-2026-86143
• CVE-2026-86144
• CVE-2026-93990

References

• https://access.redhat.com/errata/RHSA-2026:79281
• https://access.redhat.com/containers