VDB
RHSA-2026%3A2129
RHSA-2026%3A2129
PUBLISHED
CVSS 6.5 MEDIUM
Red Hat OpenShift Container Platform release 4.21.1 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.21. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| registry.redhat.io/openshift4/azure | ||
| registry.redhat.io/openshift4/aws | ||
| registry.redhat.io/openshift4/ose | ||
| Red Hat OpenShift Container Platform 4.21 | ||
| registry.redhat.io/openshift4/container |
Timeline
- Feb 10, 2026 CVE Published
- Apr 6, 2026 CVE Updated
- Apr 6, 2026 Distribution Patch
- Apr 6, 2026 Distribution Patch
- Aug 11, 2026 Security Advisory
- Aug 11, 2026 Security Advisory
- Aug 11, 2026 Security Advisory
- Aug 11, 2026 Security Advisory
- Aug 11, 2026 Security Advisory
- Aug 11, 2026 Security Advisory
- Aug 11, 2026 Security Advisory
References
- https://access.redhat.com/security/cve/CVE-2025-15284 url
- https://access.redhat.com/security/cve/CVE-2025-55198 url
- https://access.redhat.com/security/cve/CVE-2025-55199 url
- https://access.redhat.com/security/cve/CVE-2025-58068 url
- https://access.redhat.com/security/cve/CVE-2025-58183 url
- https://access.redhat.com/security/cve/CVE-2025-65637 url
- https://access.redhat.com/security/updates/classification/ url
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_2129.json advisory
- https://access.redhat.com/errata/RHSA-2026:2129 fix