RHSA-2026:89232 — Red Hat Security Advisory: OpenShift Container Platform 4.21.40 bug fix and security update
The Red Hat advisory covers bug fixes and security updates for OpenShift Container Platform 4.21.40. The text describes 20 related vulnerabilities in libgnutls, BIND, OpenSSL, OpenSSH, the Linux kernel and PCRE2, as well as an issue involving the Red Hat system CA store.
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