Red Hat Security Advisory: OpenShift Container Platform 4.20.18 bug fix and security update
Red Hat OpenShift Container Platform 4. 20. 18 includes a security update addressing multiple vulnerabilities, including CVE-2025-58183 and related CVEs. This update fixes bugs and enhances security for on-premise or private cloud Kubernetes deployments. The advisory rates the security impact as Important (high severity). Users of OpenShift Container Platform 4. 20 are advised to upgrade to the updated container images and packages provided in this release to mitigate these vulnerabilities.
AI Analysis
Technical Summary
This advisory covers Red Hat OpenShift Container Platform 4.20.18, which contains fixes for several security vulnerabilities including CVE-2025-58183 and five additional CVEs. The update addresses issues documented under multiple bugzilla entries and improves stability and security of the platform. The vulnerabilities affect container images and RPM packages used in OpenShift 4.20 deployments. The vendor rates the security impact as Important and recommends upgrading to the updated release. Detailed upgrade instructions and image digests are provided by Red Hat. No CVSS score is provided in the advisory.
Potential Impact
The vulnerabilities addressed in this update have been rated by Red Hat Product Security as having an Important security impact, indicating a high severity level. The issues affect the OpenShift Container Platform 4.20, which is used for Kubernetes orchestration in on-premise or private cloud environments. Exploitation could potentially impact the confidentiality, integrity, or availability of the platform, but no known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated container images and RPM packages as part of OpenShift Container Platform 4.20.18 to fix these vulnerabilities. Users should upgrade their OpenShift clusters to this version following the official Red Hat upgrade documentation. The vendor manages remediation through these updated packages and images. No additional mitigation steps are indicated beyond applying the official update.
Red Hat Security Advisory: OpenShift Container Platform 4.20.18 bug fix and security update
Description
Red Hat OpenShift Container Platform 4. 20. 18 includes a security update addressing multiple vulnerabilities, including CVE-2025-58183 and related CVEs. This update fixes bugs and enhances security for on-premise or private cloud Kubernetes deployments. The advisory rates the security impact as Important (high severity). Users of OpenShift Container Platform 4. 20 are advised to upgrade to the updated container images and packages provided in this release to mitigate these vulnerabilities.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers Red Hat OpenShift Container Platform 4.20.18, which contains fixes for several security vulnerabilities including CVE-2025-58183 and five additional CVEs. The update addresses issues documented under multiple bugzilla entries and improves stability and security of the platform. The vulnerabilities affect container images and RPM packages used in OpenShift 4.20 deployments. The vendor rates the security impact as Important and recommends upgrading to the updated release. Detailed upgrade instructions and image digests are provided by Red Hat. No CVSS score is provided in the advisory.
Potential Impact
The vulnerabilities addressed in this update have been rated by Red Hat Product Security as having an Important security impact, indicating a high severity level. The issues affect the OpenShift Container Platform 4.20, which is used for Kubernetes orchestration in on-premise or private cloud environments. Exploitation could potentially impact the confidentiality, integrity, or availability of the platform, but no known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated container images and RPM packages as part of OpenShift Container Platform 4.20.18 to fix these vulnerabilities. Users should upgrade their OpenShift clusters to this version following the official Red Hat upgrade documentation. The vendor manages remediation through these updated packages and images. No additional mitigation steps 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-2026:6564
- Cve Count
- 6
- Additional Cves
- ["CVE-2025-61726","CVE-2025-61728","CVE-2026-22028","CVE-2026-25679","CVE-2026-33186"]
- Cvss Version
- null
Threat ID: 6a160954e29bf47b50619578
Added to database: 5/26/2026, 8:57:56 PM
Last enriched: 5/26/2026, 9:02:24 PM
Last updated: 5/27/2026, 4:49:14 AM
Views: 2
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.