RHSA-2026:57482: Important: OpenShift Container Platform 4.18.54 packages and security update
Important: OpenShift Container Platform 4.18.54 packages and security update
Other sources
Red Hat OpenShift Container Platform is Red Hat's cloud computingKubernetes application platform solution designed for on-premise or privatecloud deployments.This advisory contains the RPM packages for Red Hat OpenShift ContainerPlatform 4.18.54. See the following advisory for the container images forthis release:https://access.redhat.com/errata/RHSA-2026:57487 Security Fix(es): net/url: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679) crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (CVE-2026-27145) crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building (CVE-2026-32280) net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811) net/mail: golang: Go net/mail: Denial of Service via crafted email inputs (CVE-2026-39820) net/mail: golang: net/mail: Denial of Service via pathological email address parsing (CVE-2026-42499) mime: golang: Golang MIME: Denial of Service via maliciously-crafted MIME header (CVE-2026-42504)For more details about the security issue(s), including the impact, a CVSSscore, acknowledgments, and other related information, refer to the CVEpage(s) listed in the References section.All OpenShift Container Platform 4.18 users are advised to upgrade to theseupdated packages and images when they are available in the appropriaterelease channel. To check for available updates, use the OpenShift CLI (oc)or web console. Instructions for upgrading a cluster are available athttps://docs.redhat.com/en/documentation/openshiftcontainerplatform/4.18/html-single/updatingclusters/index#updating-cluster-cli.
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
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redhat/cri-oto a version that resolves this vulnerability.Fixed in 1.31.13-11.rhaos4.18.git817a650.el9 - Upgrade
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redhat/cri-toolsto a version that resolves this vulnerability.Fixed in 1.31.1-7.el9 - Upgrade
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redhat/ignitionto a version that resolves this vulnerability.Fixed in 2.18.0-11.rhaos4.18.el9 - Upgrade
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redhat/openshiftto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g91c2408.assembly.stream.el9 - Upgrade
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redhat/openshift-clientsto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g6febe61.assembly.stream.el9 - Upgrade
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redhat/ose-aws-ecr-image-credential-providerto a version that resolves this vulnerability.Fixed in 4.18.0-202608121933.p2.gc395190.assembly.stream.el9 - Upgrade
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redhat/ose-azure-acr-image-credential-providerto a version that resolves this vulnerability.Fixed in 4.18.0-202608121933.p2.g9795abd.assembly.stream.el9 - Upgrade
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redhat/ose-gcp-gcr-image-credential-providerto a version that resolves this vulnerability.Fixed in 4.18.0-202608121933.p2.g6ea2356.assembly.stream.el9 - Upgrade
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redhat/runcto a version that resolves this vulnerability.Fixed in 1.2.9-7.rhaos4.18.el9 - Upgrade
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redhat/skopeoto a version that resolves this vulnerability.Fixed in 1.16.1-7.rhaos4.18.el9 - Upgrade
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redhat/cri-o-debuginfoto a version that resolves this vulnerability.Fixed in 1.31.13-11.rhaos4.18.git817a650.el9 - Upgrade
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redhat/cri-o-debugsourceto a version that resolves this vulnerability.Fixed in 1.31.13-11.rhaos4.18.git817a650.el9 - Upgrade
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redhat/cri-tools-debuginfoto a version that resolves this vulnerability.Fixed in 1.31.1-7.el9 - Upgrade
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redhat/cri-tools-debugsourceto a version that resolves this vulnerability.Fixed in 1.31.1-7.el9 - Upgrade
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redhat/ignition-debuginfoto a version that resolves this vulnerability.Fixed in 2.18.0-11.rhaos4.18.el9 - Upgrade
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redhat/ignition-debugsourceto a version that resolves this vulnerability.Fixed in 2.18.0-11.rhaos4.18.el9 - Upgrade
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redhat/ignition-validateto a version that resolves this vulnerability.Fixed in 2.18.0-11.rhaos4.18.el9 - Upgrade
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redhat/ignition-validate-debuginfoto a version that resolves this vulnerability.Fixed in 2.18.0-11.rhaos4.18.el9 - Upgrade
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redhat/openshift-clients-redistributableto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g6febe61.assembly.stream.el9 - Upgrade
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redhat/openshift-hyperkubeto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g91c2408.assembly.stream.el9 - Upgrade
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redhat/openshift-kube-apiserverto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g91c2408.assembly.stream.el9 - Upgrade
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redhat/openshift-kube-controller-managerto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g91c2408.assembly.stream.el9 - Upgrade
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redhat/openshift-kube-schedulerto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g91c2408.assembly.stream.el9 - Upgrade
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redhat/openshift-kubeletto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g91c2408.assembly.stream.el9 - Upgrade
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redhat/runc-debuginfoto a version that resolves this vulnerability.Fixed in 1.2.9-7.rhaos4.18.el9 - Upgrade
Upgrade
redhat/runc-debugsourceto a version that resolves this vulnerability.Fixed in 1.2.9-7.rhaos4.18.el9 - Upgrade
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redhat/skopeo-debuginfoto a version that resolves this vulnerability.Fixed in 1.16.1-7.rhaos4.18.el9 - Upgrade
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redhat/skopeo-debugsourceto a version that resolves this vulnerability.Fixed in 1.16.1-7.rhaos4.18.el9 - Upgrade
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redhat/skopeo-teststo a version that resolves this vulnerability.Fixed in 1.16.1-7.rhaos4.18.el9 - Upgrade
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redhat/butaneto a version that resolves this vulnerability.Fixed in 0.23.0-5.rhaos4.18.el8 - Upgrade
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redhat/containernetworking-pluginsto a version that resolves this vulnerability.Fixed in 1.4.0-10.rhaos4.18.el8 - Upgrade
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redhat/cri-oto a version that resolves this vulnerability.Fixed in 1.31.13-12.rhaos4.18.git249255c.el8 - Upgrade
Upgrade
redhat/cri-toolsto a version that resolves this vulnerability.Fixed in 1.31.1-7.el8 - Upgrade
Upgrade
redhat/openshiftto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g91c2408.assembly.stream.el8 - Upgrade
Upgrade
redhat/openshift-clientsto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g6febe61.assembly.stream.el8 - Upgrade
Upgrade
redhat/ose-aws-ecr-image-credential-providerto a version that resolves this vulnerability.Fixed in 4.18.0-202608121933.p2.gc395190.assembly.stream.el8 - Upgrade
Upgrade
redhat/ose-azure-acr-image-credential-providerto a version that resolves this vulnerability.Fixed in 4.18.0-202608121933.p2.g9795abd.assembly.stream.el8 - Upgrade
Upgrade
redhat/ose-gcp-gcr-image-credential-providerto a version that resolves this vulnerability.Fixed in 4.18.0-202608121933.p2.g6ea2356.assembly.stream.el8 - Upgrade
Upgrade
redhat/runcto a version that resolves this vulnerability.Fixed in 1.2.9-7.rhaos4.18.el8 - Upgrade
Upgrade
redhat/skopeoto a version that resolves this vulnerability.Fixed in 1.16.1-6.rhaos4.18.el8 - Upgrade
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redhat/butane-debuginfoto a version that resolves this vulnerability.Fixed in 0.23.0-5.rhaos4.18.el8 - Upgrade
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redhat/butane-debugsourceto a version that resolves this vulnerability.Fixed in 0.23.0-5.rhaos4.18.el8 - Upgrade
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redhat/butane-redistributableto a version that resolves this vulnerability.Fixed in 0.23.0-5.rhaos4.18.el8 - Upgrade
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redhat/containernetworking-plugins-debuginfoto a version that resolves this vulnerability.Fixed in 1.4.0-10.rhaos4.18.el8 - Upgrade
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redhat/containernetworking-plugins-debugsourceto a version that resolves this vulnerability.Fixed in 1.4.0-10.rhaos4.18.el8 - Upgrade
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redhat/cri-o-debuginfoto a version that resolves this vulnerability.Fixed in 1.31.13-12.rhaos4.18.git249255c.el8 - Upgrade
Upgrade
redhat/cri-o-debugsourceto a version that resolves this vulnerability.Fixed in 1.31.13-12.rhaos4.18.git249255c.el8 - Upgrade
Upgrade
redhat/cri-tools-debuginfoto a version that resolves this vulnerability.Fixed in 1.31.1-7.el8 - Upgrade
Upgrade
redhat/cri-tools-debugsourceto a version that resolves this vulnerability.Fixed in 1.31.1-7.el8 - Upgrade
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redhat/openshift-clients-redistributableto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g6febe61.assembly.stream.el8 - Upgrade
Upgrade
redhat/openshift-hyperkubeto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g91c2408.assembly.stream.el8 - Upgrade
Upgrade
redhat/openshift-kube-apiserverto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g91c2408.assembly.stream.el8 - Upgrade
Upgrade
redhat/openshift-kube-controller-managerto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g91c2408.assembly.stream.el8 - Upgrade
Upgrade
redhat/openshift-kube-schedulerto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g91c2408.assembly.stream.el8 - Upgrade
Upgrade
redhat/openshift-kubeletto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g91c2408.assembly.stream.el8 - Upgrade
Upgrade
redhat/runc-debuginfoto a version that resolves this vulnerability.Fixed in 1.2.9-7.rhaos4.18.el8 - Upgrade
Upgrade
redhat/runc-debugsourceto a version that resolves this vulnerability.Fixed in 1.2.9-7.rhaos4.18.el8 - Upgrade
Upgrade
redhat/skopeo-teststo a version that resolves this vulnerability.Fixed in 1.16.1-6.rhaos4.18.el8 - Upgrade
Upgrade
redhat/cri-oto a version that resolves this vulnerability.Fixed in 1.31.13-11.rhaos4.18.git817a650.el9.aa - Upgrade
Upgrade
redhat/cri-o-debuginfoto a version that resolves this vulnerability.Fixed in 1.31.13-11.rhaos4.18.git817a650.el9.aa - Upgrade
Upgrade
redhat/cri-o-debugsourceto a version that resolves this vulnerability.Fixed in 1.31.13-11.rhaos4.18.git817a650.el9.aa - Upgrade
Upgrade
redhat/cri-toolsto a version that resolves this vulnerability.Fixed in 1.31.1-7.el9.aa - Upgrade
Upgrade
redhat/cri-tools-debuginfoto a version that resolves this vulnerability.Fixed in 1.31.1-7.el9.aa - Upgrade
Upgrade
redhat/cri-tools-debugsourceto a version that resolves this vulnerability.Fixed in 1.31.1-7.el9.aa - Upgrade
Upgrade
redhat/ignitionto a version that resolves this vulnerability.Fixed in 2.18.0-11.rhaos4.18.el9.aa - Upgrade
Upgrade
redhat/ignition-debuginfoto a version that resolves this vulnerability.Fixed in 2.18.0-11.rhaos4.18.el9.aa - Upgrade
Upgrade
redhat/ignition-debugsourceto a version that resolves this vulnerability.Fixed in 2.18.0-11.rhaos4.18.el9.aa - Upgrade
Upgrade
redhat/ignition-validateto a version that resolves this vulnerability.Fixed in 2.18.0-11.rhaos4.18.el9.aa - Upgrade
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redhat/ignition-validate-debuginfoto a version that resolves this vulnerability.Fixed in 2.18.0-11.rhaos4.18.el9.aa - Upgrade
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redhat/openshift-clientsto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g6febe61.assembly.stream.el9.aa - Upgrade
Upgrade
redhat/openshift-hyperkubeto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g91c2408.assembly.stream.el9.aa - Upgrade
Upgrade
redhat/openshift-kube-apiserverto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g91c2408.assembly.stream.el9.aa - Upgrade
Upgrade
redhat/openshift-kube-controller-managerto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g91c2408.assembly.stream.el9.aa - Upgrade
Upgrade
redhat/openshift-kube-schedulerto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g91c2408.assembly.stream.el9.aa - Upgrade
Upgrade
redhat/openshift-kubeletto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g91c2408.assembly.stream.el9.aa - Upgrade
Upgrade
redhat/ose-aws-ecr-image-credential-providerto a version that resolves this vulnerability.Fixed in 4.18.0-202608121933.p2.gc395190.assembly.stream.el9.aa - Upgrade
Upgrade
redhat/ose-azure-acr-image-credential-providerto a version that resolves this vulnerability.Fixed in 4.18.0-202608121933.p2.g9795abd.assembly.stream.el9.aa - Upgrade
Upgrade
redhat/runcto a version that resolves this vulnerability.Fixed in 1.2.9-7.rhaos4.18.el9.aa - Upgrade
Upgrade
redhat/runc-debuginfoto a version that resolves this vulnerability.Fixed in 1.2.9-7.rhaos4.18.el9.aa - Upgrade
Upgrade
redhat/runc-debugsourceto a version that resolves this vulnerability.Fixed in 1.2.9-7.rhaos4.18.el9.aa - Upgrade
Upgrade
redhat/skopeoto a version that resolves this vulnerability.Fixed in 1.16.1-7.rhaos4.18.el9.aa - Upgrade
Upgrade
redhat/skopeo-debuginfoto a version that resolves this vulnerability.Fixed in 1.16.1-7.rhaos4.18.el9.aa - Upgrade
Upgrade
redhat/skopeo-debugsourceto a version that resolves this vulnerability.Fixed in 1.16.1-7.rhaos4.18.el9.aa - Upgrade
Upgrade
redhat/skopeo-teststo a version that resolves this vulnerability.Fixed in 1.16.1-7.rhaos4.18.el9.aa - Upgrade
Upgrade
redhat/butaneto a version that resolves this vulnerability.Fixed in 0.23.0-5.rhaos4.18.el8.aa - Upgrade
Upgrade
redhat/butane-debuginfoto a version that resolves this vulnerability.Fixed in 0.23.0-5.rhaos4.18.el8.aa - Upgrade
Upgrade
redhat/butane-debugsourceto a version that resolves this vulnerability.Fixed in 0.23.0-5.rhaos4.18.el8.aa - Upgrade
Upgrade
redhat/containernetworking-pluginsto a version that resolves this vulnerability.Fixed in 1.4.0-10.rhaos4.18.el8.aa - Upgrade
Upgrade
redhat/containernetworking-plugins-debuginfoto a version that resolves this vulnerability.Fixed in 1.4.0-10.rhaos4.18.el8.aa - Upgrade
Upgrade
redhat/containernetworking-plugins-debugsourceto a version that resolves this vulnerability.Fixed in 1.4.0-10.rhaos4.18.el8.aa - Upgrade
Upgrade
redhat/cri-oto a version that resolves this vulnerability.Fixed in 1.31.13-12.rhaos4.18.git249255c.el8.aa - Upgrade
Upgrade
redhat/cri-o-debuginfoto a version that resolves this vulnerability.Fixed in 1.31.13-12.rhaos4.18.git249255c.el8.aa - Upgrade
Upgrade
redhat/cri-o-debugsourceto a version that resolves this vulnerability.Fixed in 1.31.13-12.rhaos4.18.git249255c.el8.aa - Upgrade
Upgrade
redhat/cri-toolsto a version that resolves this vulnerability.Fixed in 1.31.1-7.el8.aa - Upgrade
Upgrade
redhat/cri-tools-debuginfoto a version that resolves this vulnerability.Fixed in 1.31.1-7.el8.aa - Upgrade
Upgrade
redhat/cri-tools-debugsourceto a version that resolves this vulnerability.Fixed in 1.31.1-7.el8.aa - Upgrade
Upgrade
redhat/openshift-clientsto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g6febe61.assembly.stream.el8.aa - Upgrade
Upgrade
redhat/openshift-hyperkubeto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g91c2408.assembly.stream.el8.aa - Upgrade
Upgrade
redhat/openshift-kube-apiserverto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g91c2408.assembly.stream.el8.aa - Upgrade
Upgrade
redhat/openshift-kube-controller-managerto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g91c2408.assembly.stream.el8.aa - Upgrade
Upgrade
redhat/openshift-kube-schedulerto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g91c2408.assembly.stream.el8.aa - Upgrade
Upgrade
redhat/openshift-kubeletto a version that resolves this vulnerability.Fixed in 4.18.0-202608132034.p2.g91c2408.assembly.stream.el8.aa - Upgrade
Upgrade
redhat/ose-aws-ecr-image-credential-providerto a version that resolves this vulnerability.Fixed in 4.18.0-202608121933.p2.gc395190.assembly.stream.el8.aa - Upgrade
Upgrade
redhat/ose-azure-acr-image-credential-providerto a version that resolves this vulnerability.Fixed in 4.18.0-202608121933.p2.g9795abd.assembly.stream.el8.aa - Upgrade
Upgrade
redhat/runcto a version that resolves this vulnerability.Fixed in 1.2.9-7.rhaos4.18.el8.aa - Upgrade
Upgrade
redhat/runc-debuginfoto a version that resolves this vulnerability.Fixed in 1.2.9-7.rhaos4.18.el8.aa - Upgrade
Upgrade
redhat/runc-debugsourceto a version that resolves this vulnerability.Fixed in 1.2.9-7.rhaos4.18.el8.aa - Upgrade
Upgrade
redhat/skopeoto a version that resolves this vulnerability.Fixed in 1.16.1-6.rhaos4.18.el8.aa - Upgrade
Upgrade
redhat/skopeo-teststo a version that resolves this vulnerability.Fixed in 1.16.1-6.rhaos4.18.el8.aa - Upgrade
Upgrade
OpenShift Container Platform 4.18to a version that resolves this vulnerability.Fixed in 4.18.54 - Compensating control
Upgrade the OpenShift Container Platform 4.18 cluster to updated packages and container images via the appropriate release channel (use the OpenShift CLI (oc) or web console to check for available updates).
- Compensating control
Obtain and apply the matching container images for OpenShift Container Platform 4.18.54 using the referenced errata: RHSA-2026:57487.