RHSA-2025:3863 - Security Advisory

Topic

Red Hat multicluster global hub 1.3.3 general availability release, with
updates to container images and bug fixes.

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 links in the References section.

Description

Red Hat multicluster global hub 1.3.3 images

This advisory contains the container images for Red Hat multicluster
global hub. These container images provide enhancements.

Security fix(es):

• golang.org/x/oauth2: Unexpected memory consumption during token parsing in

golang.org/x/oauth2 (CVE-2025-22868)

• golang.org/x/crypto/ssh: Denial of Service in the Key Exchange of

golang.org/x/crypto/ssh (CVE-2025-22869)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Solution

Before applying this update, make sure all previously released erratas are
relevant and have been applied to your system.

See the multicluster global hub product documentation for more information:

https://docs.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.12/html-single/multicluster_global_hub/index

Affected Products

• Multicluster Global Hub 1.3 x86_64

Fixes

• BZ - 2348366 - CVE-2025-22868 golang.org/x/oauth2/jws: Unexpected memory consumption during token parsing in golang.org/x/oauth2/jws
• BZ - 2348367 - CVE-2025-22869 golang.org/x/crypto/ssh: Denial of Service in the Key Exchange of golang.org/x/crypto/ssh

CVEs

• CVE-2020-11023
• CVE-2024-56171
• CVE-2025-22868
• CVE-2025-22869
• CVE-2025-24928

References

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