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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👁 17 Views

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

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01 Aug 2026 09:09Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.19.1
CVSS 48.7
EPSS0.01557
SSVC
17