CVE-2026-0968 PUBLISHED

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.

• Red Hat would like to thank Jakub Jelen (libssh) and nevv (CTyun Red-Shield Security Lab) for reporting this issue.

• https://access.redhat.com/security/cve/CVE-2026-0968
• RHBZ#2436982
• https://www.libssh.org/2026/02/10/libssh-0-12-0-and-0-11-4-security-releases/

• NULL Pointer Dereference CWE