RHSA-2026%3A2129 — Vulnetix

RHSA-2026%3A2129 PUBLISHED CVSS 7.5 HIGH

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

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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

Exploit Intelligence

CVE-2025-65637: Logrus Denial of Service Vulnerability (github-poc)
CVE-2025-65637: Logrus Denial of Service Vulnerability (github-poc)
https://github.com/mjuanxd/logrus-dos-poc (redhat)
https://github.com/mjuanxd/logrus-dos-poc/blob/main/README.md (redhat)
https://access.redhat.com/security/cve/CVE-2025-58068 (circl)
https://access.redhat.com/security/cve/CVE-2025-55199 (circl)
https://access.redhat.com/security/cve/CVE-2025-55198 (circl)
https://access.redhat.com/security/cve/CVE-2025-58183 (circl)
https://access.redhat.com/security/cve/CVE-2025-65637 (circl)
https://access.redhat.com/security/updates/classification/ (circl)

…and 19 more exploits

Timeline

Feb 10, 2026 CVE Published
Apr 6, 2026 CVE Updated
Apr 6, 2026 Distribution Patch
Apr 6, 2026 Distribution Patch
Apr 6, 2026 Security Advisory
Apr 25, 2026 Security Advisory
Apr 25, 2026 Security Advisory
Apr 25, 2026 Security Advisory
Apr 25, 2026 Security Advisory
Apr 25, 2026 Security Advisory
Apr 25, 2026 Security Advisory

References

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