Red Hat Security Advisory: OpenShift Container Platform 4.15.61 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 4.15.61. See the following advisory for the RPM packages for this release: https://access.redhat.com/errata/RHSA-2026:1540 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/4.15/html/release_notes/ Security Fix(es): * libarchive: Double free at archive_read_format_rar_seek_data() in archive_read_support_format_rar.c (CVE-2025-5914) * 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: out-of-bounds read in sftp_handle() (CVE-2025-5318) * libssh: Invalid return code for chacha20 poly1305 with OpenSSL backend (CVE-2025-5987) * libxslt: libxml2: Inifinite recursion at exsltDynMapFunction function in libexslt/dynamic.c (CVE-2025-9714) 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 4.15 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/4.15/html-single/updating_clusters/index#updating-cluster-cli.
AI Analysis
Technical Summary
This advisory covers Red Hat OpenShift Container Platform 4.15.61, which addresses multiple security vulnerabilities across various components integrated into the platform. The fixed issues include a libssh out-of-bounds read (CVE-2025-5318), libarchive double free (CVE-2025-5914), bind DNS cache poisoning and resource exhaustion (CVE-2025-40778, CVE-2025-40780, CVE-2025-8677), expat large memory allocation (CVE-2025-59375), and libxslt infinite recursion (CVE-2025-9714). Red Hat rates the overall security impact as Important. The advisory provides container images and references RPM package updates. Users should upgrade their OpenShift Container Platform 4.15 clusters using the OpenShift CLI or web console following Red Hat's documented procedures.
Potential Impact
The vulnerabilities fixed in this release can lead to various impacts including out-of-bounds memory reads, double free conditions, resource exhaustion, cache poisoning attacks, and denial of service via large memory allocations or infinite recursion. These issues could potentially affect the confidentiality, integrity, and availability of the affected OpenShift Container Platform deployments. 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
A fix is available in Red Hat OpenShift Container Platform 4.15.61. All users of OpenShift Container Platform 4.15 are strongly advised to upgrade to this updated 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 by Red Hat at https://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html-single/updating_clusters/index#updating-cluster-cli. No additional mitigation steps are indicated by the vendor advisory.
Red Hat Security Advisory: OpenShift Container Platform 4.15.61 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 4.15.61. See the following advisory for the RPM packages for this release: https://access.redhat.com/errata/RHSA-2026:1540 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/4.15/html/release_notes/ Security Fix(es): * libarchive: Double free at archive_read_format_rar_seek_data() in archive_read_support_format_rar.c (CVE-2025-5914) * 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: out-of-bounds read in sftp_handle() (CVE-2025-5318) * libssh: Invalid return code for chacha20 poly1305 with OpenSSL backend (CVE-2025-5987) * libxslt: libxml2: Inifinite recursion at exsltDynMapFunction function in libexslt/dynamic.c (CVE-2025-9714) 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 4.15 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/4.15/html-single/updating_clusters/index#updating-cluster-cli.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers Red Hat OpenShift Container Platform 4.15.61, which addresses multiple security vulnerabilities across various components integrated into the platform. The fixed issues include a libssh out-of-bounds read (CVE-2025-5318), libarchive double free (CVE-2025-5914), bind DNS cache poisoning and resource exhaustion (CVE-2025-40778, CVE-2025-40780, CVE-2025-8677), expat large memory allocation (CVE-2025-59375), and libxslt infinite recursion (CVE-2025-9714). Red Hat rates the overall security impact as Important. The advisory provides container images and references RPM package updates. Users should upgrade their OpenShift Container Platform 4.15 clusters using the OpenShift CLI or web console following Red Hat's documented procedures.
Potential Impact
The vulnerabilities fixed in this release can lead to various impacts including out-of-bounds memory reads, double free conditions, resource exhaustion, cache poisoning attacks, and denial of service via large memory allocations or infinite recursion. These issues could potentially affect the confidentiality, integrity, and availability of the affected OpenShift Container Platform deployments. 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
A fix is available in Red Hat OpenShift Container Platform 4.15.61. All users of OpenShift Container Platform 4.15 are strongly advised to upgrade to this updated 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 by Red Hat at https://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html-single/updating_clusters/index#updating-cluster-cli. No additional mitigation steps are indicated 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-2026:1541
- Cve Count
- 8
- Additional Cves
- ["CVE-2025-5914","CVE-2025-5987","CVE-2025-8677","CVE-2025-9714","CVE-2025-40778","CVE-2025-40780","CVE-2025-59375"]
- Cvss Version
- null
Threat ID: 6a175eeee29bf47b50edd276
Added to database: 5/27/2026, 9:15:26 PM
Last enriched: 5/27/2026, 9:24:22 PM
Last updated: 5/29/2026, 6:12:50 PM
Views: 11
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