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 Golang-related vulnerabilities: CVE-2025-61729 (denial of service caused by excessive resource consumption via a crafted certificate in crypto/x509), CVE-2025-58183 (unbounded memory allocation when parsing GNU sparse map in archive/tar), and CVE-2025-68121 (unexpected session resumption in crypto/tls). These issues could affect the stability and security of the platform. Red Hat has released updated RPM packages and container images to address these vulnerabilities. The advisory recommends upgrading OpenShift Container Platform 4.17 clusters using the OpenShift CLI or web console following official upgrade instructions.
Potential Impact
The vulnerabilities could lead to denial of service conditions due to excessive resource consumption or unexpected behavior in TLS session resumption, potentially impacting the availability and security of OpenShift Container Platform deployments. No known exploits in the wild have been reported. The security impact is rated as Important by Red Hat Product Security.
Mitigation Recommendations
Red Hat has released updated packages and container images in OpenShift Container Platform 4.17.52 that fix these vulnerabilities. Users should upgrade their OpenShift Container Platform 4.17 clusters to these updated versions using the OpenShift CLI (oc) or web console following the official upgrade documentation at https://docs.redhat.com/en/documentation/openshift_container_platform/4.17/html-single/updating_clusters/index#updating-cluster-cli. No additional mitigations are indicated beyond applying the official update.
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 Golang-related vulnerabilities: CVE-2025-61729 (denial of service caused by excessive resource consumption via a crafted certificate in crypto/x509), CVE-2025-58183 (unbounded memory allocation when parsing GNU sparse map in archive/tar), and CVE-2025-68121 (unexpected session resumption in crypto/tls). These issues could affect the stability and security of the platform. Red Hat has released updated RPM packages and container images to address these vulnerabilities. The advisory recommends upgrading OpenShift Container Platform 4.17 clusters using the OpenShift CLI or web console following official upgrade instructions.
Potential Impact
The vulnerabilities could lead to denial of service conditions due to excessive resource consumption or unexpected behavior in TLS session resumption, potentially impacting the availability and security of OpenShift Container Platform deployments. No known exploits in the wild have been reported. The security impact is rated as Important by Red Hat Product Security.
Mitigation Recommendations
Red Hat has released updated packages and container images in OpenShift Container Platform 4.17.52 that fix these vulnerabilities. Users should upgrade their OpenShift Container Platform 4.17 clusters to these updated versions using the OpenShift CLI (oc) or web console following the official upgrade documentation at https://docs.redhat.com/en/documentation/openshift_container_platform/4.17/html-single/updating_clusters/index#updating-cluster-cli. No additional mitigations are indicated beyond applying the official update.
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"]
- Cvss Version
- null
Threat ID: 6a160970e29bf47b50637bd7
Added to database: 05/26/2026, 20:58:24 UTC
Last enriched: 07/30/2026, 07:46:44 UTC
Last updated: 07/31/2026, 19:30:09 UTC
Views: 62
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