RHSA-2026:95754: Critical: OpenShift Container Platform 4.15.71 packages and security update
Critical: OpenShift Container Platform 4.15.71 packages and security update
Other sources
Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.15.71. See the following advisory for the container images for this release:https://access.redhat.com/errata/RHSA-2026:95756 Security Fix(es): golang.org/x/net/html: golang.org/x/net/html: Arbitrary code execution via Cross-Site Scripting (CVE-2026-25681) net/http/internal/http2: golang: golang.org/x/net: Go HTTP/2: Denial of Service via malformed SETTINGSMAXFRAMESIZE frame (CVE-2026-33814) golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821) openshift-ansible: openshift-ansible: Installer container downloads and executes remote inventory script without integrity verification (CVE-2026-92092) crypto/x509: golang: crypto/x509: Man-in-the-middle attacks via untrusted intermediate certificates (CVE-2026-111943) ipv4: free inetopt and ireqopt after an RCU grace period (CVE-2026-98432) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.All OpenShift Container Platform 4.15 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.redhat.com/en/documentation/openshiftcontainerplatform/4.15/html-single/updatingclusters/index#updating-cluster-cli.
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
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redhat/conmonto a version that resolves this vulnerability.Fixed in 2.1.7-16.rhaos4.15.el9 - Upgrade
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redhat/cri-oto a version that resolves this vulnerability.Fixed in 1.28.11-18.rhaos4.15.git48e6ddb.el9 - Upgrade
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redhat/cri-toolsto a version that resolves this vulnerability.Fixed in 1.28.0-11.el9 - Upgrade
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redhat/ignitionto a version that resolves this vulnerability.Fixed in 2.16.2-8.rhaos4.15.el9 - Upgrade
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redhat/openshiftto a version that resolves this vulnerability.Fixed in 4.15.0-202610221646.p2.g5cb2ef4.assembly.stream.el9 - Upgrade
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redhat/openshift-ansibleto a version that resolves this vulnerability.Fixed in 4.15.0-202611041832.p2.g75406db.assembly.stream.el9 - Upgrade
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redhat/openshift-clientsto a version that resolves this vulnerability.Fixed in 4.15.0-202610221646.p2.gb1ed7ae.assembly.stream.el9 - Upgrade
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redhat/ose-aws-ecr-image-credential-providerto a version that resolves this vulnerability.Fixed in 4.15.0-202610281928.p2.g3fb5e1b.assembly.stream.el9 - Upgrade
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redhat/ose-azure-acr-image-credential-providerto a version that resolves this vulnerability.Fixed in 4.15.0-202610221646.p2.gf32ed28.assembly.stream.el9 - Upgrade
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redhat/ose-gcp-gcr-image-credential-providerto a version that resolves this vulnerability.Fixed in 4.15.0-202610221646.p2.gfc50272.assembly.stream.el9 - Upgrade
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redhat/skopeoto a version that resolves this vulnerability.Fixed in 1.11.3-11.rhaos4.15.el9 - Upgrade
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redhat/conmon-debuginfoto a version that resolves this vulnerability.Fixed in 2.1.7-16.rhaos4.15.el9 - Upgrade
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redhat/conmon-debugsourceto a version that resolves this vulnerability.Fixed in 2.1.7-16.rhaos4.15.el9 - Upgrade
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redhat/cri-o-debuginfoto a version that resolves this vulnerability.Fixed in 1.28.11-18.rhaos4.15.git48e6ddb.el9 - Upgrade
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redhat/cri-o-debugsourceto a version that resolves this vulnerability.Fixed in 1.28.11-18.rhaos4.15.git48e6ddb.el9 - Upgrade
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redhat/cri-tools-debuginfoto a version that resolves this vulnerability.Fixed in 1.28.0-11.el9 - Upgrade
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redhat/cri-tools-debugsourceto a version that resolves this vulnerability.Fixed in 1.28.0-11.el9 - Upgrade
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redhat/ignition-debuginfoto a version that resolves this vulnerability.Fixed in 2.16.2-8.rhaos4.15.el9 - Upgrade
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redhat/ignition-debugsourceto a version that resolves this vulnerability.Fixed in 2.16.2-8.rhaos4.15.el9 - Upgrade
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redhat/ignition-validateto a version that resolves this vulnerability.Fixed in 2.16.2-8.rhaos4.15.el9 - Upgrade
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redhat/ignition-validate-debuginfoto a version that resolves this vulnerability.Fixed in 2.16.2-8.rhaos4.15.el9 - Upgrade
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redhat/openshift-ansible-testto a version that resolves this vulnerability.Fixed in 4.15.0-202611041832.p2.g75406db.assembly.stream.el9 - Upgrade
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redhat/openshift-clients-redistributableto a version that resolves this vulnerability.Fixed in 4.15.0-202610221646.p2.gb1ed7ae.assembly.stream.el9 - Upgrade
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redhat/openshift-hyperkubeto a version that resolves this vulnerability.Fixed in 4.15.0-202610221646.p2.g5cb2ef4.assembly.stream.el9 - Upgrade
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redhat/skopeo-debuginfoto a version that resolves this vulnerability.Fixed in 1.11.3-11.rhaos4.15.el9 - Upgrade
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redhat/skopeo-debugsourceto a version that resolves this vulnerability.Fixed in 1.11.3-11.rhaos4.15.el9 - Upgrade
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redhat/skopeo-teststo a version that resolves this vulnerability.Fixed in 1.11.3-11.rhaos4.15.el9 - Upgrade
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redhat/conmonto a version that resolves this vulnerability.Fixed in 2.1.7-11.rhaos4.15.el8 - Upgrade
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redhat/cri-oto a version that resolves this vulnerability.Fixed in 1.28.11-18.rhaos4.15.git48e6ddb.el8 - Upgrade
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redhat/cri-toolsto a version that resolves this vulnerability.Fixed in 1.28.0-11.el8 - Upgrade
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redhat/openshiftto a version that resolves this vulnerability.Fixed in 4.15.0-202610221646.p2.g5cb2ef4.assembly.stream.el8 - Upgrade
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redhat/openshift-ansibleto a version that resolves this vulnerability.Fixed in 4.15.0-202611041832.p2.g75406db.assembly.stream.el8 - Upgrade
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redhat/openshift-clientsto a version that resolves this vulnerability.Fixed in 4.15.0-202610221646.p2.gb1ed7ae.assembly.stream.el8 - Upgrade
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redhat/openshift4-aws-isoto a version that resolves this vulnerability.Fixed in 4.15.0-202610281928.p2.gd2acdd5.assembly.stream.el8 - Upgrade
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redhat/ose-aws-ecr-image-credential-providerto a version that resolves this vulnerability.Fixed in 4.15.0-202610281928.p2.g3fb5e1b.assembly.stream.el8 - Upgrade
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redhat/ose-azure-acr-image-credential-providerto a version that resolves this vulnerability.Fixed in 4.15.0-202610221646.p2.gf32ed28.assembly.stream.el8 - Upgrade
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redhat/ose-gcp-gcr-image-credential-providerto a version that resolves this vulnerability.Fixed in 4.15.0-202610221646.p2.gfc50272.assembly.stream.el8 - Upgrade
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redhat/skopeoto a version that resolves this vulnerability.Fixed in 1.11.3-10.rhaos4.15.el8 - Upgrade
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redhat/conmon-debuginfoto a version that resolves this vulnerability.Fixed in 2.1.7-11.rhaos4.15.el8 - Upgrade
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redhat/conmon-debugsourceto a version that resolves this vulnerability.Fixed in 2.1.7-11.rhaos4.15.el8 - Upgrade
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redhat/cri-o-debuginfoto a version that resolves this vulnerability.Fixed in 1.28.11-18.rhaos4.15.git48e6ddb.el8 - Upgrade
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redhat/cri-o-debugsourceto a version that resolves this vulnerability.Fixed in 1.28.11-18.rhaos4.15.git48e6ddb.el8 - Upgrade
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redhat/cri-tools-debuginfoto a version that resolves this vulnerability.Fixed in 1.28.0-11.el8 - Upgrade
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redhat/cri-tools-debugsourceto a version that resolves this vulnerability.Fixed in 1.28.0-11.el8 - Upgrade
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redhat/openshift-ansible-testto a version that resolves this vulnerability.Fixed in 4.15.0-202611041832.p2.g75406db.assembly.stream.el8 - Upgrade
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redhat/openshift-clients-redistributableto a version that resolves this vulnerability.Fixed in 4.15.0-202610221646.p2.gb1ed7ae.assembly.stream.el8 - Upgrade
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redhat/openshift-hyperkubeto a version that resolves this vulnerability.Fixed in 4.15.0-202610221646.p2.g5cb2ef4.assembly.stream.el8 - Upgrade
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redhat/skopeo-debuginfoto a version that resolves this vulnerability.Fixed in 1.11.3-10.rhaos4.15.el8 - Upgrade
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redhat/skopeo-debugsourceto a version that resolves this vulnerability.Fixed in 1.11.3-10.rhaos4.15.el8 - Upgrade
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redhat/skopeo-teststo a version that resolves this vulnerability.Fixed in 1.11.3-10.rhaos4.15.el8 - Upgrade
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redhat/conmonto a version that resolves this vulnerability.Fixed in 2.1.7-16.rhaos4.15.el9.aa - Upgrade
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redhat/conmon-debuginfoto a version that resolves this vulnerability.Fixed in 2.1.7-16.rhaos4.15.el9.aa - Upgrade
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redhat/conmon-debugsourceto a version that resolves this vulnerability.Fixed in 2.1.7-16.rhaos4.15.el9.aa - Upgrade
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redhat/cri-oto a version that resolves this vulnerability.Fixed in 1.28.11-18.rhaos4.15.git48e6ddb.el9.aa - Upgrade
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redhat/cri-o-debuginfoto a version that resolves this vulnerability.Fixed in 1.28.11-18.rhaos4.15.git48e6ddb.el9.aa - Upgrade
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redhat/cri-o-debugsourceto a version that resolves this vulnerability.Fixed in 1.28.11-18.rhaos4.15.git48e6ddb.el9.aa - Upgrade
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redhat/cri-toolsto a version that resolves this vulnerability.Fixed in 1.28.0-11.el9.aa - Upgrade
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redhat/cri-tools-debuginfoto a version that resolves this vulnerability.Fixed in 1.28.0-11.el9.aa - Upgrade
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redhat/cri-tools-debugsourceto a version that resolves this vulnerability.Fixed in 1.28.0-11.el9.aa - Upgrade
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redhat/ignitionto a version that resolves this vulnerability.Fixed in 2.16.2-8.rhaos4.15.el9.aa - Upgrade
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redhat/ignition-debuginfoto a version that resolves this vulnerability.Fixed in 2.16.2-8.rhaos4.15.el9.aa - Upgrade
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redhat/ignition-debugsourceto a version that resolves this vulnerability.Fixed in 2.16.2-8.rhaos4.15.el9.aa - Upgrade
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redhat/ignition-validateto a version that resolves this vulnerability.Fixed in 2.16.2-8.rhaos4.15.el9.aa - Upgrade
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redhat/ignition-validate-debuginfoto a version that resolves this vulnerability.Fixed in 2.16.2-8.rhaos4.15.el9.aa - Upgrade
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redhat/openshift-clientsto a version that resolves this vulnerability.Fixed in 4.15.0-202610221646.p2.gb1ed7ae.assembly.stream.el9.aa - Upgrade
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redhat/openshift-hyperkubeto a version that resolves this vulnerability.Fixed in 4.15.0-202610221646.p2.g5cb2ef4.assembly.stream.el9.aa - Upgrade
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redhat/ose-aws-ecr-image-credential-providerto a version that resolves this vulnerability.Fixed in 4.15.0-202610281928.p2.g3fb5e1b.assembly.stream.el9.aa - Upgrade
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redhat/ose-azure-acr-image-credential-providerto a version that resolves this vulnerability.Fixed in 4.15.0-202610221646.p2.gf32ed28.assembly.stream.el9.aa - Upgrade
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redhat/ose-gcp-gcr-image-credential-providerto a version that resolves this vulnerability.Fixed in 4.15.0-202610221646.p2.gfc50272.assembly.stream.el9.aa - Upgrade
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redhat/skopeoto a version that resolves this vulnerability.Fixed in 1.11.3-11.rhaos4.15.el9.aa - Upgrade
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redhat/skopeo-debuginfoto a version that resolves this vulnerability.Fixed in 1.11.3-11.rhaos4.15.el9.aa - Upgrade
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redhat/skopeo-debugsourceto a version that resolves this vulnerability.Fixed in 1.11.3-11.rhaos4.15.el9.aa - Upgrade
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redhat/skopeo-teststo a version that resolves this vulnerability.Fixed in 1.11.3-11.rhaos4.15.el9.aa - Upgrade
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redhat/conmonto a version that resolves this vulnerability.Fixed in 2.1.7-11.rhaos4.15.el8.aa - Upgrade
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redhat/conmon-debuginfoto a version that resolves this vulnerability.Fixed in 2.1.7-11.rhaos4.15.el8.aa - Upgrade
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redhat/conmon-debugsourceto a version that resolves this vulnerability.Fixed in 2.1.7-11.rhaos4.15.el8.aa - Upgrade
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redhat/cri-oto a version that resolves this vulnerability.Fixed in 1.28.11-18.rhaos4.15.git48e6ddb.el8.aa - Upgrade
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redhat/cri-o-debuginfoto a version that resolves this vulnerability.Fixed in 1.28.11-18.rhaos4.15.git48e6ddb.el8.aa - Upgrade
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redhat/cri-o-debugsourceto a version that resolves this vulnerability.Fixed in 1.28.11-18.rhaos4.15.git48e6ddb.el8.aa - Upgrade
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redhat/cri-toolsto a version that resolves this vulnerability.Fixed in 1.28.0-11.el8.aa - Upgrade
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redhat/cri-tools-debuginfoto a version that resolves this vulnerability.Fixed in 1.28.0-11.el8.aa - Upgrade
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redhat/cri-tools-debugsourceto a version that resolves this vulnerability.Fixed in 1.28.0-11.el8.aa - Upgrade
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redhat/openshift-clientsto a version that resolves this vulnerability.Fixed in 4.15.0-202610221646.p2.gb1ed7ae.assembly.stream.el8.aa - Upgrade
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redhat/openshift-hyperkubeto a version that resolves this vulnerability.Fixed in 4.15.0-202610221646.p2.g5cb2ef4.assembly.stream.el8.aa - Upgrade
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redhat/ose-aws-ecr-image-credential-providerto a version that resolves this vulnerability.Fixed in 4.15.0-202610281928.p2.g3fb5e1b.assembly.stream.el8.aa - Upgrade
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redhat/ose-azure-acr-image-credential-providerto a version that resolves this vulnerability.Fixed in 4.15.0-202610221646.p2.gf32ed28.assembly.stream.el8.aa - Upgrade
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redhat/ose-gcp-gcr-image-credential-providerto a version that resolves this vulnerability.Fixed in 4.15.0-202610221646.p2.gfc50272.assembly.stream.el8.aa - Upgrade
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redhat/skopeoto a version that resolves this vulnerability.Fixed in 1.11.3-10.rhaos4.15.el8.aa - Upgrade
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redhat/skopeo-debuginfoto a version that resolves this vulnerability.Fixed in 1.11.3-10.rhaos4.15.el8.aa - Upgrade
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redhat/skopeo-debugsourceto a version that resolves this vulnerability.Fixed in 1.11.3-10.rhaos4.15.el8.aa - Upgrade
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redhat/skopeo-teststo a version that resolves this vulnerability.Fixed in 1.11.3-10.rhaos4.15.el8.aa - Upgrade
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Red Hat OpenShift Container Platformto a version that resolves this vulnerability.Fixed in 4.15.71
Event History
Frequently Asked Questions
Which components are covered by this RPM advisory?
The advisory covers Red Hat packages including conmon, CRI-O, cri-tools, OpenShift clients, the AWS ECR, Azure ACR, and GCP GCR image credential providers, and skopeo.
Are container images included in this advisory?
No. This advisory contains RPM packages for OpenShift Container Platform 4.15.71; the associated container images are covered by RHSA-2026:95756.
Which security issues are explicitly listed in the advisory?
The listed fixes include cross-site scripting leading to arbitrary code execution in golang.org/x/net/html, HTTP/2 denial of service through a malformed SETTINGS_MAX_FRAME_SIZE frame, privilege escalation through incorrect Punycode label processing, an openshift-ansible installer integrity-verification issue, and man-in-the-middle attacks involving untrusted intermediate certificates.