Red Hat OpenShift 4.20.41 Addresses Ten Vulnerabilities
Tech GuruQuick Answer
Red Hat published RHSA-2026:74380 and RHSA-2026:74377 for Red Hat OpenShift Container Platform 4.20. Inventory the exact affected scope, apply OpenShift Container Platform 4.20.41 using the exact advisory-listed image digests and RHCOS 4.20.9.6.202609301206-0, validate dependent operations, and preserve change evidence.
Validate OpenShift Scope And Apply The Supported Fix
What to do now: Inventory Red Hat OpenShift Container Platform 4.20, match versions and enabled features to the authority's scope, apply supported remediation, validate representative operations, and document exceptions.
Last verified: 2026-10-07 UTC. Recheck the authoritative advisory and supported distribution channel before changing production.
Scope And Authority
| Product scope | Red Hat OpenShift Container Platform 4.20 |
|---|---|
| Advisory | RHSA-2026:74380 / RHSA-2026:74377 |
| CVEs | CVE-2026-33814, CVE-2026-39821, CVE-2026-39829, CVE-2026-49329, CVE-2026-67213, CVE-2026-74469, CVE-2026-80844, CVE-2026-81000, CVE-2026-83589, CVE-2026-96577 |
| Authoritative release date | 2026-10-06 17:25:28 UTC |
| Authority revision date | 2026-10-07 04:00:21 UTC |
| Affected versions | The exact supported Red Hat OpenShift Container Platform 4.20 builds marked affected by the advisory product-status relationships. |
| Fixed version | OpenShift Container Platform 4.20.41 using the exact advisory-listed image digests and RHCOS 4.20.9.6.202609301206-0 |
| CVSS base score | 6.1 / 7.1 / 7.5 / 7.8 / 8.2 / 8.3 (CVSS v3.1) |
| CVSS severity | Medium to High |
| Exploitation status | Not stated by the authority; no exploitation claim is inferred. |
What Changed
Red Hat published an authority-rated Important OpenShift security update with branch-specific fixed content for the listed CVEs.
What To Validate Now
- Inventory. Locate Red Hat OpenShift Container Platform 4.20; record versions, enabled features, exposure paths, owners, dependencies, support channels, and maintenance groups.
- Establish applicability. Compare every deployment with the authority's affected statement: The exact supported Red Hat OpenShift Container Platform 4.20 builds marked affected by the advisory product-status relationships. Do not infer applicability from product family, CVSS, or Internet reachability alone.
- Remediate. Apply OpenShift Container Platform 4.20.41 using the exact advisory-listed image digests and RHCOS 4.20.9.6.202609301206-0 through the authority-supported channel and follow the current advisory.
- Validate. Confirm the resulting OpenShift build or managed state, exercise representative services and recovery paths, monitor for regressions, and retain the result.
- Retain evidence. Preserve asset and owner identifiers, the applicability decision, before-and-after versions, change approval, installation output, validation results, and any exception or rollback record.
Operational Cautions
Follow the supported OpenShift update graph; verify operator, control-plane, node, networking, storage, and workload health. Preserve pre-change state, installation output, logs, validation evidence, and rollback decisions.
Evidence To Retain
- Exact product, release stream, package or application version, enabled feature, environment, and accountable owner.
- UTC timestamps, authority revision, approved change record, installer or package-manager output, and resulting version.
- Relevant logs and monitoring evidence, test results, exceptions, compensating controls, and rollback decisions.
Related TechGeeks Resources
Authoritative References
Correction policy: If the authority changes affected versions, fixed versions, severity, exploitation information, mitigations, or required action, TechGeeks will update this notice and its verification date.
