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Important: Red Hat Security Advisory: OpenShift Container Platform 4.21.21 bug fix and security update

🗓️ 23 Jun 2026 08:24:00Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 14 Views

Red Hat OpenShift Container Platform 4.21.21 fixes bugs, adds enhancements, and includes a security update.

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14 Jul 2026 13:32Current
7.2High risk
Vulners AI Score7.2
CVSS 3.17.5 - 8.7
CVSS 48.2
EPSS0.01041
SSVC
OpenShift 4.21.21security updateimportant impactcontainer imagesrpm packagesrelease notesrelease update
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