Red Hat Security Advisory: OpenShift Container Platform 4.20.3 bug fix and security update
Affects Red HatSource GCVE Database
Not known to be exploited · CVSS 7.5 High.
Data as of 5 Nov 2026, 19:18 UTC
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 11 Jun 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Gogithub.com/golang/go/src/crypto/x509pkg:golang/github.com/golang/go/src/crypto/x509Other threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A fixed version of OpenShift Container Platform 4.20.3 with updated container images and packages is available. Users should upgrade to this release using the OpenShift CLI or web console as soon as it is available in their release channel. Detailed upgrade instructions are provided by Red Hat in their official documentation. No alternative mitigations or workarounds are indicated in the advisory.
Description
Red Hat OpenShift Container Platform 4.20.3 includes a security update addressing a vulnerability in the crypto/x509 package where usage of ExtKeyUsageAny disables policy validation. This issue is tracked as CVE-2025-22874. Users of OpenShift Container Platform 4.20 are advised to upgrade to the updated packages and container images provided in this release to mitigate the vulnerability.