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Important: Red Hat Security Advisory: OpenShift Container Platform 4.21.20 bug fix and security update

🗓️ 16 Jun 2026 12:19:48Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 2 Views

Red Hat OpenShift Container Platform 4.21.20 delivers a security update and bug fixes with important impact.

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18 Jun 2026 01:53Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.19.1
CVSS 48.7
EPSS0.00522
SSVC
OpenShift Container PlatformSecurity updateBug fixesImportant security impactRelease notesAdvisory RHBA 2026RHBA 2026 25185Container images
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