Red Hat Security Advisory: OpenShift Container Platform 4.18.23 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 4.18.23. See the following advisory for the RPM packages for this release: https://access.redhat.com/errata/RHBA-2025:14816 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/4.18/html/release_notes/ Security Fix(es): * golang.org/x/crypto/ssh: Denial of Service in the Key Exchange of golang.org/x/crypto/ssh (CVE-2025-22869) * github.com/golang/glog: Vulnerability when creating log files in github.com/golang/glog (CVE-2024-45339) 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 4.18 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/4.18/html-single/updating_clusters/index#updating-cluster-cli.
AI Analysis
Technical Summary
This advisory covers security fixes in Red Hat OpenShift Container Platform 4.18.23, including CVE-2024-45339, a vulnerability in the golang/glog logging library. The flaw allows an attacker with local access to exploit predictable log file paths and plant symbolic links in writable directories to overwrite sensitive files. This improper link resolution (CWE-59) can lead to confidentiality and integrity breaches by modifying files that may be used for security enforcement. Red Hat rates the impact as important and provides updated container images and RPM packages for remediation. Users are advised to upgrade to the fixed version 4.18.23 using official OpenShift upgrade procedures.
Potential Impact
An attacker with local access can exploit this vulnerability to overwrite sensitive files by creating symbolic links in writable directories that the logging library uses for log file creation. This can lead to unauthorized modification of files, potentially bypassing security mechanisms and compromising system integrity and confidentiality. The vulnerability does not impact availability. Red Hat rates the severity as important (high), with a CVSS v3 base score of 7.1 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N). There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released OpenShift Container Platform 4.18.23 with updated container images and RPM packages that fix this vulnerability. Users should upgrade to version 4.18.23 using the OpenShift CLI (oc) or web console following the official upgrade documentation. No alternative mitigations meeting Red Hat's criteria are currently available. Applying the official update is the recommended and supported remediation.
Red Hat Security Advisory: OpenShift Container Platform 4.18.23 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 4.18.23. See the following advisory for the RPM packages for this release: https://access.redhat.com/errata/RHBA-2025:14816 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/4.18/html/release_notes/ Security Fix(es): * golang.org/x/crypto/ssh: Denial of Service in the Key Exchange of golang.org/x/crypto/ssh (CVE-2025-22869) * github.com/golang/glog: Vulnerability when creating log files in github.com/golang/glog (CVE-2024-45339) 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 4.18 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/4.18/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 4.18.23, including CVE-2024-45339, a vulnerability in the golang/glog logging library. The flaw allows an attacker with local access to exploit predictable log file paths and plant symbolic links in writable directories to overwrite sensitive files. This improper link resolution (CWE-59) can lead to confidentiality and integrity breaches by modifying files that may be used for security enforcement. Red Hat rates the impact as important and provides updated container images and RPM packages for remediation. Users are advised to upgrade to the fixed version 4.18.23 using official OpenShift upgrade procedures.
Potential Impact
An attacker with local access can exploit this vulnerability to overwrite sensitive files by creating symbolic links in writable directories that the logging library uses for log file creation. This can lead to unauthorized modification of files, potentially bypassing security mechanisms and compromising system integrity and confidentiality. The vulnerability does not impact availability. Red Hat rates the severity as important (high), with a CVSS v3 base score of 7.1 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N). There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released OpenShift Container Platform 4.18.23 with updated container images and RPM packages that fix this vulnerability. Users should upgrade to version 4.18.23 using the OpenShift CLI (oc) or web console following the official upgrade documentation. No alternative mitigations meeting Red Hat's criteria are currently available. Applying the official update is the recommended and supported remediation.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:14820
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-22869"]
Threat ID: 6a160975e29bf47b50640113
Added to database: 05/26/2026, 20:58:29 UTC
Last enriched: 08/14/2026, 22:27:36 UTC
Last updated: 09/10/2026, 19:36:48 UTC
Views: 136
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