Red Hat Security Advisory: OpenShift Container Platform 4.20.0 bug fix and security update
Red Hat OpenShift Container Platform 4. 20. 0 includes multiple security fixes addressing vulnerabilities such as a double free in libarchive, cache poisoning in unbound, missing TLS verification in podman, integer truncation in SQLite, and denial of service issues in libxml. These vulnerabilities have been rated with an overall security impact of Important by Red Hat Product Security. Users of OpenShift Container Platform 4. 20 are advised to upgrade to the updated packages and container images as soon as they become available through the appropriate release channels. Detailed upgrade instructions are provided by Red Hat. No known exploits in the wild have been reported at this time.
AI Analysis
Technical Summary
This advisory covers security updates in Red Hat OpenShift Container Platform 4.20.0 addressing six vulnerabilities: CVE-2025-5914 (libarchive double free), CVE-2025-5994 (unbound cache poisoning), CVE-2025-6032 (podman missing TLS verification), CVE-2025-6965 (SQLite integer truncation), CVE-2025-49794 (libxml heap use after free causing DoS), and CVE-2025-49796 (libxml type confusion causing DoS). These vulnerabilities affect various components used within the platform and have been rated as Important by Red Hat. The advisory includes updated container images and references RPM package updates in a related errata. Users should upgrade their OpenShift clusters using the provided tools and documentation to apply these fixes.
Potential Impact
The vulnerabilities fixed in this update include memory corruption (double free), cache poisoning, missing TLS verification, integer truncation, and denial of service conditions. These issues could potentially lead to application crashes, denial of service, or security bypasses within the affected components of the OpenShift Container Platform. However, no known exploits in the wild have been reported. The overall security impact is rated as Important by Red Hat Product Security.
Mitigation Recommendations
Red Hat has released updated container images and RPM packages for OpenShift Container Platform 4.20.0 that address these vulnerabilities. Users are strongly advised to upgrade to these updated packages and images via the OpenShift CLI (oc) or web console as soon as they are available in their release channel. Detailed upgrade instructions are provided in Red Hat's official documentation. Since this is an official security update, applying the vendor-provided fixes is the recommended mitigation. Patch status is confirmed by the vendor advisory.
Red Hat Security Advisory: OpenShift Container Platform 4.20.0 bug fix and security update
Description
Red Hat OpenShift Container Platform 4. 20. 0 includes multiple security fixes addressing vulnerabilities such as a double free in libarchive, cache poisoning in unbound, missing TLS verification in podman, integer truncation in SQLite, and denial of service issues in libxml. These vulnerabilities have been rated with an overall security impact of Important by Red Hat Product Security. Users of OpenShift Container Platform 4. 20 are advised to upgrade to the updated packages and container images as soon as they become available through the appropriate release channels. Detailed upgrade instructions are provided by Red Hat. No known exploits in the wild have been reported at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers security updates in Red Hat OpenShift Container Platform 4.20.0 addressing six vulnerabilities: CVE-2025-5914 (libarchive double free), CVE-2025-5994 (unbound cache poisoning), CVE-2025-6032 (podman missing TLS verification), CVE-2025-6965 (SQLite integer truncation), CVE-2025-49794 (libxml heap use after free causing DoS), and CVE-2025-49796 (libxml type confusion causing DoS). These vulnerabilities affect various components used within the platform and have been rated as Important by Red Hat. The advisory includes updated container images and references RPM package updates in a related errata. Users should upgrade their OpenShift clusters using the provided tools and documentation to apply these fixes.
Potential Impact
The vulnerabilities fixed in this update include memory corruption (double free), cache poisoning, missing TLS verification, integer truncation, and denial of service conditions. These issues could potentially lead to application crashes, denial of service, or security bypasses within the affected components of the OpenShift Container Platform. However, no known exploits in the wild have been reported. The overall security impact is rated as Important by Red Hat Product Security.
Mitigation Recommendations
Red Hat has released updated container images and RPM packages for OpenShift Container Platform 4.20.0 that address these vulnerabilities. Users are strongly advised to upgrade to these updated packages and images via the OpenShift CLI (oc) or web console as soon as they are available in their release channel. Detailed upgrade instructions are provided in Red Hat's official documentation. Since this is an official security update, applying the vendor-provided fixes is the recommended mitigation. Patch status is confirmed by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:15397
- Cve Count
- 6
- Additional Cves
- ["CVE-2025-5994","CVE-2025-6032","CVE-2025-6965","CVE-2025-49794","CVE-2025-49796"]
- Cvss Version
- null
Threat ID: 6a1f4e87e29bf47b50081669
Added to database: 6/2/2026, 9:43:35 PM
Last enriched: 6/2/2026, 10:11:12 PM
Last updated: 6/3/2026, 5:03:32 AM
Views: 2
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.