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
CVE-2025-5318 is an out-of-bounds read vulnerability in the libssh library's sftp_handle() function. This flaw affects Red Hat OpenShift Container Platform versions prior to 4.15.61 and Red Hat Enterprise Linux 10 packages including libssh versions before 0.11.1-4.el10_0. The vulnerability could potentially lead to memory safety issues. Red Hat has released security updates fixing this issue in OpenShift Container Platform 4.15.61 and corresponding libssh packages for Red Hat Enterprise Linux 10. The vendor advisory confirms the availability of patches and provides detailed package information and upgrade instructions.
Potential Impact
The vulnerability allows an out-of-bounds read in libssh, which may lead to memory corruption or application crashes in affected environments. While no active exploitation has been reported, the flaw poses a risk to the confidentiality and stability of systems running vulnerable versions of Red Hat OpenShift Container Platform and Red Hat Enterprise Linux 10. The impact is rated as high severity by Red Hat Product Security.
Mitigation Recommendations
Red Hat has provided official fixes for this vulnerability in OpenShift Container Platform 4.15.61 and libssh packages for Red Hat Enterprise Linux 10. Users should apply these updates promptly to remediate the issue. Detailed upgrade instructions are available in the Red Hat advisories and documentation. 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.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-5318 is an out-of-bounds read vulnerability in the libssh library's sftp_handle() function. This flaw affects Red Hat OpenShift Container Platform versions prior to 4.15.61 and Red Hat Enterprise Linux 10 packages including libssh versions before 0.11.1-4.el10_0. The vulnerability could potentially lead to memory safety issues. Red Hat has released security updates fixing this issue in OpenShift Container Platform 4.15.61 and corresponding libssh packages for Red Hat Enterprise Linux 10. The vendor advisory confirms the availability of patches and provides detailed package information and upgrade instructions.
Potential Impact
The vulnerability allows an out-of-bounds read in libssh, which may lead to memory corruption or application crashes in affected environments. While no active exploitation has been reported, the flaw poses a risk to the confidentiality and stability of systems running vulnerable versions of Red Hat OpenShift Container Platform and Red Hat Enterprise Linux 10. The impact is rated as high severity by Red Hat Product Security.
Mitigation Recommendations
Red Hat has provided official fixes for this vulnerability in OpenShift Container Platform 4.15.61 and libssh packages for Red Hat Enterprise Linux 10. Users should apply these updates promptly to remediate the issue. Detailed upgrade instructions are available in the Red Hat advisories and documentation. 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
- 3.1
- State
- PUBLISHED
Threat ID: 6a175eeee29bf47b50edd276
Added to database: 05/27/2026, 21:15:26 UTC
Last enriched: 08/16/2026, 15:54:31 UTC
Last updated: 09/10/2026, 19:42:38 UTC
Views: 112
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