Red Hat Security Advisory: OpenShift Container Platform 4.19.22 bug fix and security update
Red Hat OpenShift Container Platform 4. 19. 22 includes important security updates addressing multiple vulnerabilities in components such as bind, libexpat, and openssl. These vulnerabilities include resource exhaustion, cache poisoning, large dynamic memory allocations, and out-of-bounds memory access. The update is rated as important by Red Hat Product Security. Users of OpenShift Container Platform 4. 19 are advised to upgrade to the updated packages and container images via the appropriate release channels using the OpenShift CLI or web console.
AI Analysis
Technical Summary
This advisory covers security fixes in Red Hat OpenShift Container Platform 4.19.22 for several vulnerabilities: CVE-2025-8677 (bind resource exhaustion via malformed DNSKEY handling), CVE-2025-40778 (bind cache poisoning with unsolicited resource records), CVE-2025-40780 (bind cache poisoning due to weak PRNG), CVE-2025-59375 (libexpat large dynamic memory allocations triggered by small XML documents), and CVE-2025-9230 (OpenSSL out-of-bounds read and write in RFC 3211 KEK unwrap). These vulnerabilities affect on-premise or private cloud deployments of OpenShift Container Platform 4.19 across multiple architectures. The advisory provides updated container images and references RPM package updates. Users should upgrade their clusters following Red Hat's documented procedures.
Potential Impact
The vulnerabilities addressed can lead to resource exhaustion, cache poisoning attacks, large memory allocations potentially causing denial of service, and out-of-bounds memory access which could lead to crashes or potential code execution. The overall security impact is rated as important by Red Hat. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated container images and RPM packages for OpenShift Container Platform 4.19.22 that fix these vulnerabilities. All users of OpenShift Container Platform 4.19 are strongly advised to upgrade to these updated packages and images as soon as they are available via the appropriate release channels. Upgrades can be performed using the OpenShift CLI (oc) or web console following Red Hat's official cluster update documentation. No additional mitigation steps are indicated beyond applying these official updates.
Red Hat Security Advisory: OpenShift Container Platform 4.19.22 bug fix and security update
Description
Red Hat OpenShift Container Platform 4. 19. 22 includes important security updates addressing multiple vulnerabilities in components such as bind, libexpat, and openssl. These vulnerabilities include resource exhaustion, cache poisoning, large dynamic memory allocations, and out-of-bounds memory access. The update is rated as important by Red Hat Product Security. Users of OpenShift Container Platform 4. 19 are advised to upgrade to the updated packages and container images via the appropriate release channels using the OpenShift CLI or web console.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers security fixes in Red Hat OpenShift Container Platform 4.19.22 for several vulnerabilities: CVE-2025-8677 (bind resource exhaustion via malformed DNSKEY handling), CVE-2025-40778 (bind cache poisoning with unsolicited resource records), CVE-2025-40780 (bind cache poisoning due to weak PRNG), CVE-2025-59375 (libexpat large dynamic memory allocations triggered by small XML documents), and CVE-2025-9230 (OpenSSL out-of-bounds read and write in RFC 3211 KEK unwrap). These vulnerabilities affect on-premise or private cloud deployments of OpenShift Container Platform 4.19 across multiple architectures. The advisory provides updated container images and references RPM package updates. Users should upgrade their clusters following Red Hat's documented procedures.
Potential Impact
The vulnerabilities addressed can lead to resource exhaustion, cache poisoning attacks, large memory allocations potentially causing denial of service, and out-of-bounds memory access which could lead to crashes or potential code execution. The overall security impact is rated as important by Red Hat. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated container images and RPM packages for OpenShift Container Platform 4.19.22 that fix these vulnerabilities. All users of OpenShift Container Platform 4.19 are strongly advised to upgrade to these updated packages and images as soon as they are available via the appropriate release channels. Upgrades can be performed using the OpenShift CLI (oc) or web console following Red Hat's official cluster update documentation. No additional mitigation steps are indicated beyond applying these official updates.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:0674
- Cve Count
- 5
- Additional Cves
- ["CVE-2025-9230","CVE-2025-40778","CVE-2025-40780","CVE-2025-59375"]
- Cvss Version
- null
Threat ID: 6a175eefe29bf47b50eddd05
Added to database: 5/27/2026, 9:15:27 PM
Last enriched: 5/27/2026, 9:26:50 PM
Last updated: 5/29/2026, 3:13:45 PM
Views: 13
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