Red Hat Security Advisory: OpenShift Container Platform 4.19.25 packages and security update
Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.19.25. See the following advisory for the container images for this release: https://access.redhat.com/errata/RHBA-2026:3394 Security Fix(es): * runc: opencontainers/selinux: container escape and denial of service due to arbitrary write gadgets and procfs write redirects (CVE-2025-52881) * golang: net/url: Memory exhaustion in query parameter parsing in net/url (CVE-2025-61726) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. All OpenShift Container Platform 4.19 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html-single/updating_clusters/index#updating-cluster-cli.
AI Analysis
Technical Summary
This advisory for Red Hat OpenShift Container Platform 4.19.25 addresses two security vulnerabilities. CVE-2025-52881 affects the runc component's opencontainers/selinux integration, enabling container escape and denial of service through arbitrary write gadgets and procfs write redirects. CVE-2025-61726 involves a memory exhaustion vulnerability in the golang net/url package during query parameter parsing. The update includes RPM packages and container images that fix these issues. The vendor rates the security impact as Important and recommends upgrading to the updated packages and images via the OpenShift CLI or web console.
Potential Impact
The vulnerabilities could allow an attacker to escape container isolation and cause denial of service (CVE-2025-52881), and cause memory exhaustion through crafted URL query parameters (CVE-2025-61726). These impacts affect the security and stability of OpenShift Container Platform 4.19 deployments. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated RPM packages and container images in OpenShift Container Platform 4.19.25 that address these vulnerabilities. Users should upgrade to these updated packages and images as soon as they are available in their release channel. Upgrades can be performed using the OpenShift CLI (oc) or the web console. Detailed upgrade instructions are available in Red Hat's official documentation. Patch status is confirmed as an official fix.
Red Hat Security Advisory: OpenShift Container Platform 4.19.25 packages and security update
Description
Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.19.25. See the following advisory for the container images for this release: https://access.redhat.com/errata/RHBA-2026:3394 Security Fix(es): * runc: opencontainers/selinux: container escape and denial of service due to arbitrary write gadgets and procfs write redirects (CVE-2025-52881) * golang: net/url: Memory exhaustion in query parameter parsing in net/url (CVE-2025-61726) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. All OpenShift Container Platform 4.19 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html-single/updating_clusters/index#updating-cluster-cli.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory for Red Hat OpenShift Container Platform 4.19.25 addresses two security vulnerabilities. CVE-2025-52881 affects the runc component's opencontainers/selinux integration, enabling container escape and denial of service through arbitrary write gadgets and procfs write redirects. CVE-2025-61726 involves a memory exhaustion vulnerability in the golang net/url package during query parameter parsing. The update includes RPM packages and container images that fix these issues. The vendor rates the security impact as Important and recommends upgrading to the updated packages and images via the OpenShift CLI or web console.
Potential Impact
The vulnerabilities could allow an attacker to escape container isolation and cause denial of service (CVE-2025-52881), and cause memory exhaustion through crafted URL query parameters (CVE-2025-61726). These impacts affect the security and stability of OpenShift Container Platform 4.19 deployments. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated RPM packages and container images in OpenShift Container Platform 4.19.25 that address these vulnerabilities. Users should upgrade to these updated packages and images as soon as they are available in their release channel. Upgrades can be performed using the OpenShift CLI (oc) or the web console. Detailed upgrade instructions are available in Red Hat's official documentation. Patch status is confirmed as an official fix.
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: 05/26/2026, 20:58:18 UTC
Last enriched: 07/30/2026, 11:45:03 UTC
Last updated: 07/31/2026, 21:28:45 UTC
Views: 75
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