RHSA-2026:53728: OpenShift Virtualization v4.21 Images
Published Aug 11, 2026
·Updated
OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform.This advisory contains OpenShift Virtualization v4.21 images.
Affected Software
2 affected components
Red Hat OpenShift Virtualization v4.21 Images=4.21
Red Hat Red Hat Container Native Virtualization
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
OpenShift Virtualization imagesto a version that resolves this vulnerability.Fixed in 4.21
Event History
Aug 11, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·05:13 PM
Data Sourced
via Red Hat·05:13 PM
Severity
Frequently Asked Questions
1
What is the severity of RHSA-2026:53728?
The severity of RHSA-2026:53728 is high, rated at 7.
2
What software is affected by RHSA-2026:53728?
RHSA-2026:53728 affects Red Hat OpenShift Virtualization v4.21 Images and Red Hat Container Native Virtualization.
3
How do I fix RHSA-2026:53728?
To fix RHSA-2026:53728, update to the latest OpenShift Virtualization v4.21 images as advised in the advisory.
4
What does RHSA-2026:53728 address?
RHSA-2026:53728 addresses vulnerabilities in OpenShift Virtualization v4.21 Images.
5
When was RHSA-2026:53728 published?
RHSA-2026:53728 was published on August 11, 2026.