CVE-2026-0966
HIGH
8.2
CVSS Severity Score
Vulnerability Description
A flaw was found in libssh. The API function `ssh_get_hexa()` is vulnerable to a denial of service when processing zero-length input. This can be exploited remotely by an attacker during GSSAPI (Generic Security Service Application Program Interface) authentication if the server's logging verbosity is set to `SSH_LOG_PACKET (3)` or higher. Successful exploitation could lead to a self-Denial of Service of the per-connection daemon process.
Affected Platforms (CPE)
📦
Libssh
Libssh
< 0.11.4📦
Redhat
Hardened Images
All versions📦
Redhat
Openshift Container Platform
= 4.0💻
Redhat
Enterprise Linux
= 8.0💻
Redhat
Enterprise Linux
= 9.0💻
Redhat