{"id":"RHSA-2026:20436","summary":"Red Hat Security Advisory: Red Hat build of MicroShift 4.16.63 security update","modified":"2026-06-11T10:07:12Z","published":"2026-05-28T10:07:21Z","upstream":["CVE-2026-33186"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:20436"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/#important"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2449833"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_20436.json"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-33186"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-33186"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33186"},{"type":"ARTICLE","url":"https://github.com/grpc/grpc-go/security/advisories/GHSA-p77j-4mvh-x3m3"}],"affected":[{"package":{"name":"microshift","ecosystem":"Red Hat:openshift:4.16::el9","purl":"pkg:rpm/redhat/microshift"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.16.63-202605251227.p0.g1133ac0.assembly.4.16.63.el9"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:20436.json"}},{"package":{"name":"microshift-greenboot","ecosystem":"Red Hat:openshift:4.16::el9","purl":"pkg:rpm/redhat/microshift-greenboot"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.16.63-202605251227.p0.g1133ac0.assembly.4.16.63.el9"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:20436.json"}},{"package":{"name":"microshift-multus","ecosystem":"Red Hat:openshift:4.16::el9","purl":"pkg:rpm/redhat/microshift-multus"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.16.63-202605251227.p0.g1133ac0.assembly.4.16.63.el9"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:20436.json"}},{"package":{"name":"microshift-multus-release-info","ecosystem":"Red Hat:openshift:4.16::el9","purl":"pkg:rpm/redhat/microshift-multus-release-info"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.16.63-202605251227.p0.g1133ac0.assembly.4.16.63.el9"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:20436.json"}},{"package":{"name":"microshift-networking","ecosystem":"Red Hat:openshift:4.16::el9","purl":"pkg:rpm/redhat/microshift-networking"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.16.63-202605251227.p0.g1133ac0.assembly.4.16.63.el9"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:20436.json"}},{"package":{"name":"microshift-olm","ecosystem":"Red Hat:openshift:4.16::el9","purl":"pkg:rpm/redhat/microshift-olm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.16.63-202605251227.p0.g1133ac0.assembly.4.16.63.el9"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:20436.json"}},{"package":{"name":"microshift-olm-release-info","ecosystem":"Red Hat:openshift:4.16::el9","purl":"pkg:rpm/redhat/microshift-olm-release-info"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.16.63-202605251227.p0.g1133ac0.assembly.4.16.63.el9"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:20436.json"}},{"package":{"name":"microshift-release-info","ecosystem":"Red Hat:openshift:4.16::el9","purl":"pkg:rpm/redhat/microshift-release-info"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.16.63-202605251227.p0.g1133ac0.assembly.4.16.63.el9"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:20436.json"}},{"package":{"name":"microshift-selinux","ecosystem":"Red Hat:openshift:4.16::el9","purl":"pkg:rpm/redhat/microshift-selinux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.16.63-202605251227.p0.g1133ac0.assembly.4.16.63.el9"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:20436.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}