RHSA-2026:18068
RHSA-2026:18068 · Red Hat Security Advisory: Red Hat build of MicroShift 4.18.42 security update
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Red Hat Security Advisory: Red Hat build of MicroShift 4.18.42 security update
CVSS 9.1 · Critical · Fix available
- Published
- Updated
Stack: system
Affected products and versions
microshift Red Hat:openshift:4.18::el9
- Affected ranges
- ECOSYSTEM: < 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
Update to 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
microshift-gateway-api Red Hat:openshift:4.18::el9
- Affected ranges
- ECOSYSTEM: < 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
Update to 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
microshift-gateway-api-release-info Red Hat:openshift:4.18::el9
- Affected ranges
- ECOSYSTEM: < 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
Update to 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
microshift-greenboot Red Hat:openshift:4.18::el9
- Affected ranges
- ECOSYSTEM: < 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
Update to 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
microshift-low-latency Red Hat:openshift:4.18::el9
- Affected ranges
- ECOSYSTEM: < 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
Update to 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
microshift-multus Red Hat:openshift:4.18::el9
- Affected ranges
- ECOSYSTEM: < 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
Update to 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
microshift-multus-release-info Red Hat:openshift:4.18::el9
- Affected ranges
- ECOSYSTEM: < 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
Update to 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
microshift-networking Red Hat:openshift:4.18::el9
- Affected ranges
- ECOSYSTEM: < 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
Update to 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
microshift-olm Red Hat:openshift:4.18::el9
- Affected ranges
- ECOSYSTEM: < 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
Update to 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
microshift-olm-release-info Red Hat:openshift:4.18::el9
- Affected ranges
- ECOSYSTEM: < 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
Update to 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
microshift-release-info Red Hat:openshift:4.18::el9
- Affected ranges
- ECOSYSTEM: < 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
Update to 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
microshift-selinux Red Hat:openshift:4.18::el9
- Affected ranges
- ECOSYSTEM: < 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
Update to 0:4.18.42-202605181217.p0.gf4eeb37.assembly.4.18.42.el9
Original sources
- https://access.redhat.com/errata/RHSA-2026:18068
- https://access.redhat.com/security/updates/classification/#important
- https://bugzilla.redhat.com/show_bug.cgi?id=2449833
- https://issues.redhat.com/browse/OCPBUGS-76625
- https://issues.redhat.com/browse/OCPBUGS-78040
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_18068.json
- https://access.redhat.com/security/cve/CVE-2026-33186
- https://www.cve.org/CVERecord?id=CVE-2026-33186
- https://nvd.nist.gov/vuln/detail/CVE-2026-33186
- https://github.com/grpc/grpc-go/security/advisories/GHSA-p77j-4mvh-x3m3
- https://osv.dev/vulnerability/RHSA-2026:18068