CVE-2026-0968: Libssh

Low severity, CVSS 3.1. EPSS: 0.4% chance of exploitation in the next 30 days.

A flaw was found in libssh in which a malicious SFTP (SSH File Transfer Protocol) server can exploit this by sending a malformed 'longname' field within an `SSH_FXP_NAME` message during a file listing operation. This missing null check can lead to reading beyond allocated memory on the heap. This can cause unexpected behavior or lead to a denial of service (DoS) due to application crashes.

Affected products

• Libssh Libssh: up to and including 0.11.3
• Red Hat Enterprise Linux: version 9.0 only; version 10.0 only

Published 2026-03-26. Last modified 2026-09-01.