Red Hat Security Advisory: OpenShift Container Platform 4.19.28 bug fix and security update
Red Hat OpenShift Container Platform 4. 19. 28 includes multiple security fixes addressing vulnerabilities in components such as libpng, vim, expat, and grub2. These vulnerabilities include heap buffer overflow, arbitrary code execution via command injection, XML entity expansion, use-after-free, denial of service, and information disclosure. 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 as soon as they are available through the official release channels.
AI Analysis
Technical Summary
This advisory covers Red Hat OpenShift Container Platform 4.19.28, which contains security updates for several components. Notable fixes include a heap buffer overflow in libpng (CVE-2026-25646), multiple arbitrary code execution vulnerabilities in vim (CVE-2026-33412, CVE-2026-25749, CVE-2026-28417), an XML Entity Expansion vulnerability in expat (CVE-2024-28757), a use-after-free in grub2 (CVE-2025-61662), and denial of service and information disclosure in vim via crafted swap files (CVE-2026-28421). The advisory recommends upgrading to the updated container images and RPM packages to mitigate these issues. Detailed upgrade instructions and release notes are provided by Red Hat. No CVSS scores are provided in the advisory, but the severity is rated as important.
Potential Impact
The vulnerabilities fixed in this release could allow attackers to execute arbitrary code, cause denial of service, or disclose sensitive information if exploited. The issues affect critical components used within the OpenShift Container Platform environment, potentially impacting cluster stability and security. The advisory does not report any known exploits in the wild at the time of publication.
Mitigation Recommendations
Red Hat has released updated container images and RPM packages as part of OpenShift Container Platform 4.19.28 that address these vulnerabilities. Users should upgrade their OpenShift clusters to this version using the OpenShift CLI (oc) or web console following the official upgrade documentation. The vendor manages remediation for this on-premise/private cloud platform via these updates. Patch status is confirmed as available. No additional mitigation steps beyond applying the update are specified.
Red Hat Security Advisory: OpenShift Container Platform 4.19.28 bug fix and security update
Description
Red Hat OpenShift Container Platform 4. 19. 28 includes multiple security fixes addressing vulnerabilities in components such as libpng, vim, expat, and grub2. These vulnerabilities include heap buffer overflow, arbitrary code execution via command injection, XML entity expansion, use-after-free, denial of service, and information disclosure. 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 as soon as they are available through the official release channels.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers Red Hat OpenShift Container Platform 4.19.28, which contains security updates for several components. Notable fixes include a heap buffer overflow in libpng (CVE-2026-25646), multiple arbitrary code execution vulnerabilities in vim (CVE-2026-33412, CVE-2026-25749, CVE-2026-28417), an XML Entity Expansion vulnerability in expat (CVE-2024-28757), a use-after-free in grub2 (CVE-2025-61662), and denial of service and information disclosure in vim via crafted swap files (CVE-2026-28421). The advisory recommends upgrading to the updated container images and RPM packages to mitigate these issues. Detailed upgrade instructions and release notes are provided by Red Hat. No CVSS scores are provided in the advisory, but the severity is rated as important.
Potential Impact
The vulnerabilities fixed in this release could allow attackers to execute arbitrary code, cause denial of service, or disclose sensitive information if exploited. The issues affect critical components used within the OpenShift Container Platform environment, potentially impacting cluster stability and security. The advisory does not report any known exploits in the wild at the time of publication.
Mitigation Recommendations
Red Hat has released updated container images and RPM packages as part of OpenShift Container Platform 4.19.28 that address these vulnerabilities. Users should upgrade their OpenShift clusters to this version using the OpenShift CLI (oc) or web console following the official upgrade documentation. The vendor manages remediation for this on-premise/private cloud platform via these updates. Patch status is confirmed as available. No additional mitigation steps beyond applying the update are specified.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:7243
- Cve Count
- 7
- Additional Cves
- ["CVE-2025-61662","CVE-2026-25646","CVE-2026-25749","CVE-2026-28417","CVE-2026-28421","CVE-2026-33412"]
- Cvss Version
- null
Threat ID: 6a1f4e85e29bf47b5007e08a
Added to database: 6/2/2026, 9:43:33 PM
Last enriched: 6/2/2026, 9:50:34 PM
Last updated: 6/3/2026, 4:57:50 AM
Views: 2
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