Red Hat Security Advisory: OpenShift Container Platform 4.17.47 bug fix 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 container images for Red Hat OpenShift Container Platform 4.17.47. See the following advisory for the RPM packages for this release: https://access.redhat.com/errata/RHSA-2026:0701 Space precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes: https://docs.redhat.com/en/documentation/openshift_container_platform/4.17/html/release_notes/ Security Fix(es): * bind: Resource exhaustion via malformed DNSKEY handling (CVE-2025-8677) * bind: Cache poisoning attacks with unsolicited RRs (CVE-2025-40778) * bind: Cache poisoning due to weak PRNG (CVE-2025-40780) * expat: libexpat in Expat allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing (CVE-2025-59375) * libssh: Invalid return code for chacha20 poly1305 with OpenSSL backend (CVE-2025-5987) * openssl: Out-of-bounds read & write in RFC 3211 KEK Unwrap (CVE-2025-9230) * libxslt: libxml2: Inifinite recursion at exsltDynMapFunction function in libexslt/dynamic.c (CVE-2025-9714) * qemu-kvm: VNC WebSocket handshake use-after-free (CVE-2025-11234) 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 4.17 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/4.17/html-single/updating_clusters/index#updating-cluster-cli.
AI Analysis
Technical Summary
This Red Hat security advisory for OpenShift Container Platform 4.17.47 addresses several vulnerabilities across multiple components. Notably, CVE-2025-5987 in libssh involves an invalid return code for chacha20 poly1305 with the OpenSSL backend. Other fixes include resource exhaustion and cache poisoning vulnerabilities in bind (CVE-2025-8677, CVE-2025-40778, CVE-2025-40780), large dynamic memory allocation in libexpat (CVE-2025-59375), out-of-bounds read/write in OpenSSL (CVE-2025-9230), infinite recursion in libxslt/libxml2 (CVE-2025-9714), and a use-after-free in qemu-kvm's VNC WebSocket handshake (CVE-2025-11234). The advisory provides container images for various architectures and directs users to upgrade using OpenShift CLI or web console. The update is rated as having an important security impact by Red Hat Product Security.
Potential Impact
The vulnerabilities fixed in this update could lead to denial of service, resource exhaustion, cache poisoning, memory corruption, and potentially other security issues depending on the component affected. The advisory rates the overall security impact as Important (high). There are no known exploits in the wild at the time of this advisory. The issues affect multiple critical components used within OpenShift Container Platform, potentially impacting cluster stability and security if left unpatched.
Mitigation Recommendations
A fix is available in Red Hat OpenShift Container Platform 4.17.47. All users of OpenShift Container Platform 4.17 are strongly advised to upgrade to this release as soon as it becomes available in their release channel. Upgrades can be performed using the OpenShift CLI (oc) or the web console. Detailed upgrade instructions are provided in the official Red Hat documentation. No additional mitigations beyond applying the update are specified in the advisory.
Red Hat Security Advisory: OpenShift Container Platform 4.17.47 bug fix 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 container images for Red Hat OpenShift Container Platform 4.17.47. See the following advisory for the RPM packages for this release: https://access.redhat.com/errata/RHSA-2026:0701 Space precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes: https://docs.redhat.com/en/documentation/openshift_container_platform/4.17/html/release_notes/ Security Fix(es): * bind: Resource exhaustion via malformed DNSKEY handling (CVE-2025-8677) * bind: Cache poisoning attacks with unsolicited RRs (CVE-2025-40778) * bind: Cache poisoning due to weak PRNG (CVE-2025-40780) * expat: libexpat in Expat allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing (CVE-2025-59375) * libssh: Invalid return code for chacha20 poly1305 with OpenSSL backend (CVE-2025-5987) * openssl: Out-of-bounds read & write in RFC 3211 KEK Unwrap (CVE-2025-9230) * libxslt: libxml2: Inifinite recursion at exsltDynMapFunction function in libexslt/dynamic.c (CVE-2025-9714) * qemu-kvm: VNC WebSocket handshake use-after-free (CVE-2025-11234) 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 4.17 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/4.17/html-single/updating_clusters/index#updating-cluster-cli.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This Red Hat security advisory for OpenShift Container Platform 4.17.47 addresses several vulnerabilities across multiple components. Notably, CVE-2025-5987 in libssh involves an invalid return code for chacha20 poly1305 with the OpenSSL backend. Other fixes include resource exhaustion and cache poisoning vulnerabilities in bind (CVE-2025-8677, CVE-2025-40778, CVE-2025-40780), large dynamic memory allocation in libexpat (CVE-2025-59375), out-of-bounds read/write in OpenSSL (CVE-2025-9230), infinite recursion in libxslt/libxml2 (CVE-2025-9714), and a use-after-free in qemu-kvm's VNC WebSocket handshake (CVE-2025-11234). The advisory provides container images for various architectures and directs users to upgrade using OpenShift CLI or web console. The update is rated as having an important security impact by Red Hat Product Security.
Potential Impact
The vulnerabilities fixed in this update could lead to denial of service, resource exhaustion, cache poisoning, memory corruption, and potentially other security issues depending on the component affected. The advisory rates the overall security impact as Important (high). There are no known exploits in the wild at the time of this advisory. The issues affect multiple critical components used within OpenShift Container Platform, potentially impacting cluster stability and security if left unpatched.
Mitigation Recommendations
A fix is available in Red Hat OpenShift Container Platform 4.17.47. All users of OpenShift Container Platform 4.17 are strongly advised to upgrade to this release as soon as it becomes available in their release channel. Upgrades can be performed using the OpenShift CLI (oc) or the web console. Detailed upgrade instructions are provided in the official Red Hat documentation. No additional mitigations beyond applying the update are specified in the 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-2026:0702
- Cve Count
- 8
- Additional Cves
- ["CVE-2025-8677","CVE-2025-9230","CVE-2025-9714","CVE-2025-11234","CVE-2025-40778","CVE-2025-40780","CVE-2025-59375"]
Threat ID: 6a175eefe29bf47b50eddcf4
Added to database: 05/27/2026, 21:15:27 UTC
Last enriched: 08/16/2026, 18:36:56 UTC
Last updated: 09/10/2026, 19:36:51 UTC
Views: 105
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