Red Hat Security Advisory: OpenShift Container Platform 4.16.39 bug fix and security update
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 container images for Red Hat OpenShift Container Platform 4.16.39. See the following advisory for the RPM packages for this release: https://access.redhat.com/errata/RHBA-2025:4010 Space precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes: https://docs.redhat.com/en/documentation/openshift_container_platform/4.16/html/release_notes/ Security Fix(es): * golang-jwt/jwt: jwt-go allows excessive memory allocation during header parsing (CVE-2025-30204) * baremetal-operator/apis: Bare Metal Operator (BMO) can expose any secret from other namespaces via BMCEventSubscription CRD (CVE-2025-29781) 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 4.16 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/openshift_container_platform/4.16/html-single/updating_clusters/index#updating-cluster-cli.
AI Analysis
Technical Summary
This advisory covers security updates in Red Hat OpenShift Container Platform 4.16.39, which fixes two notable vulnerabilities: CVE-2025-29781 in the Bare Metal Operator (BMO) that could expose secrets from other namespaces through the BMCEventSubscription Custom Resource Definition (CRD), and CVE-2025-30204 in the golang-jwt/jwt library that allows excessive memory allocation during JWT header parsing. The update addresses these issues by providing patched container images and RPM packages. The advisory recommends upgrading to version 4.16.39 to mitigate these vulnerabilities. No CVSS scores are provided in the advisory, but the severity is rated as high by Red Hat Product Security.
Potential Impact
The Bare Metal Operator vulnerability (CVE-2025-29781) can lead to unauthorized exposure of secrets across namespaces, potentially compromising sensitive information. The golang-jwt/jwt vulnerability (CVE-2025-30204) could cause excessive memory allocation during JWT header parsing, which may lead to denial of service or resource exhaustion. These impacts affect on-premise or private cloud deployments of OpenShift Container Platform 4.16 prior to 4.16.39.
Mitigation Recommendations
Red Hat has released OpenShift Container Platform 4.16.39 containing fixes for these vulnerabilities. Users are strongly advised to upgrade to version 4.16.39 using the OpenShift CLI (oc) or web console as soon as the updated packages and images are available in their release channel. Detailed upgrade instructions are provided in Red Hat's official documentation. No alternative mitigations or workarounds are specified in the advisory.
Red Hat Security Advisory: OpenShift Container Platform 4.16.39 bug fix and security update
Description
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 container images for Red Hat OpenShift Container Platform 4.16.39. See the following advisory for the RPM packages for this release: https://access.redhat.com/errata/RHBA-2025:4010 Space precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes: https://docs.redhat.com/en/documentation/openshift_container_platform/4.16/html/release_notes/ Security Fix(es): * golang-jwt/jwt: jwt-go allows excessive memory allocation during header parsing (CVE-2025-30204) * baremetal-operator/apis: Bare Metal Operator (BMO) can expose any secret from other namespaces via BMCEventSubscription CRD (CVE-2025-29781) 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 4.16 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/openshift_container_platform/4.16/html-single/updating_clusters/index#updating-cluster-cli.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers security updates in Red Hat OpenShift Container Platform 4.16.39, which fixes two notable vulnerabilities: CVE-2025-29781 in the Bare Metal Operator (BMO) that could expose secrets from other namespaces through the BMCEventSubscription Custom Resource Definition (CRD), and CVE-2025-30204 in the golang-jwt/jwt library that allows excessive memory allocation during JWT header parsing. The update addresses these issues by providing patched container images and RPM packages. The advisory recommends upgrading to version 4.16.39 to mitigate these vulnerabilities. No CVSS scores are provided in the advisory, but the severity is rated as high by Red Hat Product Security.
Potential Impact
The Bare Metal Operator vulnerability (CVE-2025-29781) can lead to unauthorized exposure of secrets across namespaces, potentially compromising sensitive information. The golang-jwt/jwt vulnerability (CVE-2025-30204) could cause excessive memory allocation during JWT header parsing, which may lead to denial of service or resource exhaustion. These impacts affect on-premise or private cloud deployments of OpenShift Container Platform 4.16 prior to 4.16.39.
Mitigation Recommendations
Red Hat has released OpenShift Container Platform 4.16.39 containing fixes for these vulnerabilities. Users are strongly advised to upgrade to version 4.16.39 using the OpenShift CLI (oc) or web console as soon as the updated packages and images are available in their release channel. Detailed upgrade instructions are provided in Red Hat's official documentation. No alternative mitigations or workarounds are specified in the advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:4008
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-30204"]
Threat ID: 6a160972e29bf47b5063ab8f
Added to database: 05/26/2026, 20:58:26 UTC
Last enriched: 08/14/2026, 22:06:01 UTC
Last updated: 09/10/2026, 19:36:49 UTC
Views: 102
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