RHSA-2026:3186 - Security Advisory

Topic

New Red Hat build of Cryostat 4.1.1 on RHEL 9 container images are now available.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The Cryostat 4 on RHEL 9 container images have been updated to fix several bugs.

Users of Cryostat 4 on RHEL 9 container images are advised to upgrade to these updated images, which contain backported patches to fix these bugs and add these enhancements. Users of these images are also encouraged to rebuild all container images that depend on these images.

Security Fix(es):

• golang: archive/zip: Excessive CPU consumption when building archive index in archive/zip (CVE-2025-61728)
• golang: net/url: Memory exhaustion in query parameter parsing in net/url (CVE-2025-61726)
• crypto/tls: Unexpected session resumption in crypto/tls (CVE-2025-68121)

You can find images updated by this advisory in the Red Hat Container Catalog (see the References section).

Solution

You can download the Cryostat 4 on RHEL 9 container images that this update provides from the Red Hat Container Registry at registry.access.redhat.com. Installation instructions for your platform are available in the Red Hat Container Catalog (see the References section).

Dockerfiles and scripts should be amended to refer to this new image specifically or to the latest image generally.

Affected Products

• Cryostat 4 x86_64

Fixes

• BZ - 2434431 - CVE-2025-61728 golang: archive/zip: Excessive CPU consumption when building archive index in archive/zip
• BZ - 2434432 - CVE-2025-61726 golang: net/url: Memory exhaustion in query parameter parsing in net/url
• BZ - 2437111 - CVE-2025-68121 crypto/tls: Unexpected session resumption in crypto/tls

CVEs

• CVE-2025-6176
• CVE-2025-14104
• CVE-2025-15281
• CVE-2025-61726
• CVE-2025-61728
• CVE-2025-61729
• CVE-2025-68121
• CVE-2026-0861
• CVE-2026-0915
• CVE-2026-21721

References

• https://access.redhat.com/security/updates/classification/#important