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OpenAdvisories
High RHSA-2026:66385 2 CVEs

Red Hat Security Advisory: OpenShift Container Platform 4.18.55 packages and security update

Published Sep 18, 2026 · Updated Oct 16, 2026

Fixed packages 6

ReleasePackageFixed in
Red Hat · OpenShift 4 openshift:4.18::el8 cri-o 0:1.31.13-14.rhaos4.18.gitf2de9ac.el8
Red Hat · OpenShift 4 openshift:4.18::el8 cri-o-debuginfo 0:1.31.13-14.rhaos4.18.gitf2de9ac.el8
Red Hat · OpenShift 4 openshift:4.18::el8 cri-o-debugsource 0:1.31.13-14.rhaos4.18.gitf2de9ac.el8
Red Hat · OpenShift 4 openshift:4.18::el9 cri-o 0:1.31.13-14.rhaos4.18.gitf2de9ac.el9
Red Hat · OpenShift 4 openshift:4.18::el9 cri-o-debuginfo 0:1.31.13-14.rhaos4.18.gitf2de9ac.el9
Red Hat · OpenShift 4 openshift:4.18::el9 cri-o-debugsource 0:1.31.13-14.rhaos4.18.gitf2de9ac.el9

Vulnerabilities 2

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2455470
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2500846
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_66385.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-15809
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-15809
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-15809
  • article
    https://github.com/cri-o/cri-o/pull/6450
  • article
    https://github.com/cri-o/cri-o/pull/6524
  • report
    https://access.redhat.com/security/cve/CVE-2026-34986
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-34986
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-34986
  • article
    https://github.com/go-jose/go-jose/security/advisories/GHSA-78h2-9frx-2jm8
  • article
    https://pkg.go.dev/github.com/go-jose/go-jose/v4#pkg-constants