Red Hat Security Advisory: OpenShift Container Platform 4.20.1 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 4.20.1. See the following advisory for the RPM packages for this release: https://access.redhat.com/errata/155454 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/4.20/html/release_notes/ Security Fix(es): * dompurify: DOMPurify vulnerable to tampering by prototype pollution (CVE-2024-48910) * crypto/x509: Usage of ExtKeyUsageAny disables policy validation in crypto/x509 (CVE-2025-22874) 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 4.20 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/4.20/html-single/updating_clusters/index#updating-cluster-cli.
AI Analysis
Technical Summary
This advisory covers security fixes in Red Hat OpenShift Container Platform 4.20.1, specifically addressing two vulnerabilities: CVE-2024-48910 in DOMPurify, which is vulnerable to prototype pollution allowing tampering, and CVE-2025-22874 in the crypto/x509 package, where usage of ExtKeyUsageAny disables policy validation. The update includes new container images and RPM packages that resolve these issues. Red Hat recommends all users of OpenShift Container Platform 4.20 to upgrade to the fixed versions available in the appropriate release channels. The advisory provides image digests for multiple architectures and links to detailed upgrade instructions. The security impact is rated as Important by Red Hat Product Security. No CVSS scores are provided in the advisory, and no known exploits have been reported.
Potential Impact
The vulnerabilities fixed in this update could allow tampering via prototype pollution in DOMPurify and disable policy validation in crypto/x509, potentially undermining security controls in OpenShift Container Platform deployments. The impact is rated as Important by Red Hat, indicating a high severity level that could affect the integrity and security of the platform if left unpatched. No known exploits in the wild have been reported so far.
Mitigation Recommendations
Red Hat has released updated container images and RPM packages as part of OpenShift Container Platform 4.20.1 to address these vulnerabilities. Users should upgrade to these updated packages and images as soon as they are available in their release channels. Upgrades can be performed using the OpenShift CLI (oc) or the web console. Detailed upgrade instructions are available in the official Red Hat documentation. Since the vendor provides an official fix, applying this update is the recommended mitigation. Patch status is confirmed by the vendor advisory.
Red Hat Security Advisory: OpenShift Container Platform 4.20.1 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 4.20.1. See the following advisory for the RPM packages for this release: https://access.redhat.com/errata/155454 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/4.20/html/release_notes/ Security Fix(es): * dompurify: DOMPurify vulnerable to tampering by prototype pollution (CVE-2024-48910) * crypto/x509: Usage of ExtKeyUsageAny disables policy validation in crypto/x509 (CVE-2025-22874) 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 4.20 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/4.20/html-single/updating_clusters/index#updating-cluster-cli.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers security fixes in Red Hat OpenShift Container Platform 4.20.1, specifically addressing two vulnerabilities: CVE-2024-48910 in DOMPurify, which is vulnerable to prototype pollution allowing tampering, and CVE-2025-22874 in the crypto/x509 package, where usage of ExtKeyUsageAny disables policy validation. The update includes new container images and RPM packages that resolve these issues. Red Hat recommends all users of OpenShift Container Platform 4.20 to upgrade to the fixed versions available in the appropriate release channels. The advisory provides image digests for multiple architectures and links to detailed upgrade instructions. The security impact is rated as Important by Red Hat Product Security. No CVSS scores are provided in the advisory, and no known exploits have been reported.
Potential Impact
The vulnerabilities fixed in this update could allow tampering via prototype pollution in DOMPurify and disable policy validation in crypto/x509, potentially undermining security controls in OpenShift Container Platform deployments. The impact is rated as Important by Red Hat, indicating a high severity level that could affect the integrity and security of the platform if left unpatched. No known exploits in the wild have been reported so far.
Mitigation Recommendations
Red Hat has released updated container images and RPM packages as part of OpenShift Container Platform 4.20.1 to address these vulnerabilities. Users should upgrade to these updated packages and images as soon as they are available in their release channels. Upgrades can be performed using the OpenShift CLI (oc) or the web console. Detailed upgrade instructions are available in the official Red Hat documentation. Since the vendor provides an official fix, applying this update is the recommended mitigation. Patch status is confirmed by the vendor 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-2025:19003
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-22874"]
- Cvss Version
- null
Threat ID: 6a20982ae29bf47b50ebd3e7
Added to database: 6/3/2026, 9:10:02 PM
Last enriched: 6/3/2026, 9:12:14 PM
Last updated: 6/4/2026, 4:56:07 AM
Views: 5
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