RHSA-2026:20089HighCVSS 9.1
Red Hat Security Advisory: OpenShift Container Platform 4.16.63 security and extras update
🔗 CVE IDs covered (4)
📋 Description
CVE-2025-58183 — golang: archive/tar: Unbounded allocation when parsing GNU sparse map CVE-2026-24049 — wheel: wheel: Privilege Escalation or Arbitrary Code Execution via malicious wheel file unpacking CVE-2026-33186 — google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation CVE-2026-35469 — Kubelet: CRI-O: kube-apiserver: Kubelet, CRI-O, kube-apiserver: Denial of Service via SPDY streaming code
🔗 References (7)
- selfhttps://access.redhat.com/errata/RHSA-2026:20089
- externalhttps://access.redhat.com/security/cve/CVE-2025-58183
- externalhttps://access.redhat.com/security/cve/CVE-2026-24049
- externalhttps://access.redhat.com/security/cve/CVE-2026-33186
- externalhttps://access.redhat.com/security/cve/CVE-2026-35469
- externalhttps://access.redhat.com/security/updates/classification/
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_20089.json