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Important: Red Hat Security Advisory: OpenShift Container Platform 4.21.18 bug fix and security update

🗓️ 02 Jun 2026 10:03:12Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 20 Views

OpenShift Container Platform 4.21.18 fixes bugs and applies important security updates.

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29 Jul 2026 05:01Current
7High risk
Vulners AI Score7
CVSS 3.17.5 - 9.1
CVSS 48.7
EPSS0.01557
SSVC
20