VDB
RHSA-2026%3A0985
RHSA-2026%3A0985
PUBLISHED
CVSS 8.100000381469727 HIGH
A flaw was found in libssh when using the ChaCha20 cipher with the OpenSSL library. If an attacker manages to exhaust the heap space, this error is not detected and may lead to libssh using a partially initialized cipher context. This occurs because the OpenSSL error code returned aliases with the SSH_OK code, resulting in libssh not properly detecting the error returned by the OpenSSL library. This issue can lead to undefined behavior, including compromised data confidentiality and integrity or crashes.
Risk Scores
CVSS 3.1
8.100000381469727
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | rhcos-s390x-416.94.202601160124-0 as a component of Red Hat OpenShift Container Platform 4.16 | rhcos-s390x-416.94.202601160124-0, rhcos-s390x-416.94.202601160124-0, rhcos-s390x-416.94.202601160124-0 |
| Red Hat | rhcos-s390x-416.94.202601160124-0 as a component of Red Hat OpenShift Container Platform 4.16 | rhcos-s390x-416.94.202601160124-0 |
| Red Hat | rhcos-ppc64le-416.94.202601160124-0 as a component of Red Hat OpenShift Container Platform 4.16 | rhcos-ppc64le-416.94.202601160124-0, rhcos-ppc64le-416.94.202601160124-0, rhcos-ppc64le-416.94.202601160124-0 |
| Red Hat | rhcos-aarch64-416.94.202601160124-0 as a component of Red Hat OpenShift Container Platform 4.16 | rhcos-aarch64-416.94.202601160124-0, rhcos-aarch64-416.94.202601160124-0, * |
| Red Hat | rhcos-x86_64-416.94.202601160124-0 as a component of Red Hat OpenShift Container Platform 4.16 | rhcos-x86_64-416.94.202601160124-0, rhcos-x86_64-416.94.202601160124-0, rhcos-x86_64-416.94.202601160124-0 |
| Red Hat | rhcos-ppc64le-416.94.202601160124-0 as a component of Red Hat OpenShift Container Platform 4.16 | rhcos-ppc64le-416.94.202601160124-0 |
| Red Hat | rhcos-x86_64-416.94.202601160124-0 as a component of Red Hat OpenShift Container Platform 4.16 | * |
| Red Hat | rhcos-aarch64-416.94.202601160124-0 as a component of Red Hat OpenShift Container Platform 4.16 | rhcos-aarch64-416.94.202601160124-0 |
Timeline
- Jan 30, 2026 CVE Published
- May 5, 2026 Distribution Patch
- May 5, 2026 Security Advisory
- May 5, 2026 Security Advisory
- May 5, 2026 Security Advisory
- May 11, 2026 CVE Updated
- May 11, 2026 Distribution Patch
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2392605 issue
- https://access.redhat.com/security/cve/CVE-2025-5987 advisory
- https://access.redhat.com/security/cve/CVE-2025-9714 advisory
- https://gitlab.gnome.org/GNOME/libxml2/-/commit/677a42645ef22b5a50741bad5facf9d8a8bc6d21 advisory
- https://access.redhat.com/errata/RHSA-2026:0985 advisory
- https://www.cve.org/CVERecord?id=CVE-2025-5987 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-5987 advisory
- https://www.libssh.org/security/advisories/CVE-2025-5987.txt advisory
- https://www.cve.org/CVERecord?id=CVE-2025-9714 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-9714 advisory
- https://access.redhat.com/security/updates/classification/#moderate advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2376219 issue
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_0985.json advisory
- https://gitlab.gnome.org/GNOME/libxslt/-/issues/148 advisory