Red Hat Security Advisory: OpenShift Container Platform 4.17.52 packages 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 RPM packages for Red Hat OpenShift Container Platform 4.17.52. See the following advisory for the container images for this release: https://access.redhat.com/errata/RHSA-2026:5907 Security Fix(es): * crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate (CVE-2025-61729) * golang: archive/tar: Unbounded allocation when parsing GNU sparse map (CVE-2025-58183) * crypto/tls: Unexpected session resumption in crypto/tls (CVE-2025-68121) 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 4.17 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/4.17/html-single/updating_clusters/index#updating-cluster-cli.
AI Analysis
Technical Summary
This advisory covers security fixes in Red Hat OpenShift Container Platform 4.17.52 for three vulnerabilities: CVE-2025-61729, a denial of service caused by excessive resource consumption via crafted certificates in crypto/x509; CVE-2025-58183, an unbounded memory allocation vulnerability when parsing GNU sparse maps in the golang archive/tar package; and CVE-2025-68121, an unexpected session resumption issue in crypto/tls. These vulnerabilities affect the Golang libraries used within OpenShift Container Platform. The advisory recommends upgrading to the updated packages and container images in version 4.17.52. Detailed upgrade instructions are provided by Red Hat.
Potential Impact
The vulnerabilities can lead to denial of service conditions due to resource exhaustion or unexpected session resumption behavior, potentially impacting the stability and security of OpenShift Container Platform deployments. The issues are rated as important by Red Hat Product Security, indicating a high security impact but no confirmed active exploitation in the wild at the time of the advisory.
Mitigation Recommendations
Red Hat has released updated packages and container images in OpenShift Container Platform version 4.17.52 that address these vulnerabilities. Users should upgrade to this version using the OpenShift CLI or web console following Red Hat's documented cluster upgrade procedures. No additional mitigations are specified beyond applying the official update. Patch status is official-fix as per the vendor advisory.
Red Hat Security Advisory: OpenShift Container Platform 4.17.52 packages 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 RPM packages for Red Hat OpenShift Container Platform 4.17.52. See the following advisory for the container images for this release: https://access.redhat.com/errata/RHSA-2026:5907 Security Fix(es): * crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate (CVE-2025-61729) * golang: archive/tar: Unbounded allocation when parsing GNU sparse map (CVE-2025-58183) * crypto/tls: Unexpected session resumption in crypto/tls (CVE-2025-68121) 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 4.17 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/4.17/html-single/updating_clusters/index#updating-cluster-cli.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers security fixes in Red Hat OpenShift Container Platform 4.17.52 for three vulnerabilities: CVE-2025-61729, a denial of service caused by excessive resource consumption via crafted certificates in crypto/x509; CVE-2025-58183, an unbounded memory allocation vulnerability when parsing GNU sparse maps in the golang archive/tar package; and CVE-2025-68121, an unexpected session resumption issue in crypto/tls. These vulnerabilities affect the Golang libraries used within OpenShift Container Platform. The advisory recommends upgrading to the updated packages and container images in version 4.17.52. Detailed upgrade instructions are provided by Red Hat.
Potential Impact
The vulnerabilities can lead to denial of service conditions due to resource exhaustion or unexpected session resumption behavior, potentially impacting the stability and security of OpenShift Container Platform deployments. The issues are rated as important by Red Hat Product Security, indicating a high security impact but no confirmed active exploitation in the wild at the time of the advisory.
Mitigation Recommendations
Red Hat has released updated packages and container images in OpenShift Container Platform version 4.17.52 that address these vulnerabilities. Users should upgrade to this version using the OpenShift CLI or web console following Red Hat's documented cluster upgrade procedures. No additional mitigations are specified beyond applying the official update. Patch status is official-fix as per 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-2026:5866
- Cve Count
- 3
- Additional Cves
- ["CVE-2025-61729","CVE-2025-68121"]
- State
- PUBLISHED
Threat ID: 6a160970e29bf47b50637bd7
Added to database: 05/26/2026, 20:58:24 UTC
Last enriched: 08/14/2026, 19:30:08 UTC
Last updated: 09/12/2026, 02:05:53 UTC
Views: 80
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