RHSA-2026:60302 - Security Advisory

Topic

Red Hat OpenStack Services on OpenShift (RHOSO) 18.0.22 containers 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

Red Hat OpenStack Services on OpenShift is a hybrid cloud solution
for deploying and managing virtualized and containerized applications in a
scalable infrastructure with a Red Hat OpenShift Container Platform (RHOCP)
control plane.

Security Fixes:

• golang: net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811)

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

Solution

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

For details on how to apply this update as a new RHOSO 18.0 deployment, see “Deploying Red Hat OpenStack Services on OpenShift” at https://docs.redhat.com/en/documentation/red_hat_openstack_services_on_openshift/18.0/html/deploying_red_hat_openstack_services_on_openshift/index

For details on how to apply this update to an existing RHOSO 18.0 deployment, see “Updating your environment to the latest maintenance release” at https://docs.redhat.com/en/documentation/red_hat_openstack_services_on_openshift/18.0/html/updating_your_environment_to_the_latest_maintenance_release/index

Affected Products

• Red Hat OpenStack Services on OpenShift

Fixes

• OSPRH-32268 - GaleraBackup does not handle inconsistent state from target backup node
• OSPRH-32408 - Galera bootstrap deadlock when all pods are killed simultaneously
• OSPRH-32576 - Galera initContainer fails when Kubernetes API server is unreachable at startup
• OSPRH-32632 - Ceilometer publishes events to event.sample channel, which is unconsumed

CVEs

• CVE-2026-33811

References

• https://access.redhat.com/security/updates/classification/
• https://catalog.redhat.com/software/containers/search