Red Hat Security Advisory: OpenShift Container Platform 4.19.25 packages and security update
Red Hat OpenShift Container Platform 4. 19. 25 includes security updates addressing two vulnerabilities: CVE-2025-52881, a container escape and denial of service issue in runc due to arbitrary write gadgets and procfs write redirects; and CVE-2025-61726, a memory exhaustion vulnerability in Go's net/url package during query parameter parsing. These vulnerabilities affect on-premise or private cloud deployments of OpenShift Container Platform 4. 19. Users are advised to upgrade to the updated packages and container images provided in this release to mitigate these issues.
AI Analysis
Technical Summary
This advisory covers security fixes in Red Hat OpenShift Container Platform 4.19.25, specifically addressing two vulnerabilities. CVE-2025-52881 involves a container escape and denial of service vulnerability in the runc component related to opencontainers/selinux, caused by arbitrary write gadgets and procfs write redirects. CVE-2025-61726 is a memory exhaustion vulnerability in the Go programming language's net/url package during query parameter parsing. The update includes RPM packages and container images to remediate these issues. The advisory recommends upgrading OpenShift Container Platform 4.19 clusters using the OpenShift CLI or web console following Red Hat's documented procedures.
Potential Impact
The vulnerabilities fixed in this update could allow an attacker to escape container isolation and cause denial of service (CVE-2025-52881) or exhaust memory resources via crafted URL query parameters (CVE-2025-61726). These issues affect Red Hat OpenShift Container Platform 4.19 deployments, potentially impacting container security and stability. The security impact is rated as Important by Red Hat Product Security. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated RPM packages and container images for OpenShift Container Platform 4.19.25 that address these vulnerabilities. Users should upgrade their OpenShift clusters to this version using the OpenShift CLI (oc) or web console as per Red Hat's official upgrade documentation. This update fully mitigates the identified security issues. No additional mitigation steps are indicated beyond applying the official update.
Red Hat Security Advisory: OpenShift Container Platform 4.19.25 packages and security update
Description
Red Hat OpenShift Container Platform 4. 19. 25 includes security updates addressing two vulnerabilities: CVE-2025-52881, a container escape and denial of service issue in runc due to arbitrary write gadgets and procfs write redirects; and CVE-2025-61726, a memory exhaustion vulnerability in Go's net/url package during query parameter parsing. These vulnerabilities affect on-premise or private cloud deployments of OpenShift Container Platform 4. 19. Users are advised to upgrade to the updated packages and container images provided in this release to mitigate these issues.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers security fixes in Red Hat OpenShift Container Platform 4.19.25, specifically addressing two vulnerabilities. CVE-2025-52881 involves a container escape and denial of service vulnerability in the runc component related to opencontainers/selinux, caused by arbitrary write gadgets and procfs write redirects. CVE-2025-61726 is a memory exhaustion vulnerability in the Go programming language's net/url package during query parameter parsing. The update includes RPM packages and container images to remediate these issues. The advisory recommends upgrading OpenShift Container Platform 4.19 clusters using the OpenShift CLI or web console following Red Hat's documented procedures.
Potential Impact
The vulnerabilities fixed in this update could allow an attacker to escape container isolation and cause denial of service (CVE-2025-52881) or exhaust memory resources via crafted URL query parameters (CVE-2025-61726). These issues affect Red Hat OpenShift Container Platform 4.19 deployments, potentially impacting container security and stability. The security impact is rated as Important by Red Hat Product Security. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated RPM packages and container images for OpenShift Container Platform 4.19.25 that address these vulnerabilities. Users should upgrade their OpenShift clusters to this version using the OpenShift CLI (oc) or web console as per Red Hat's official upgrade documentation. This update fully mitigates the identified security issues. No additional mitigation steps are indicated beyond applying the official update.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:3391
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-61726"]
- Cvss Version
- null
Threat ID: 6a16096ae29bf47b50630c8c
Added to database: 5/26/2026, 8:58:18 PM
Last enriched: 5/26/2026, 9:43:35 PM
Last updated: 5/27/2026, 5:03:43 AM
Views: 2
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