Vulnerability Description
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.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Libssh | Libssh | <= 0.11.3 |
| Redhat | Enterprise Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/errata/RHSA-2026:18160
- https://access.redhat.com/errata/RHSA-2026:18683
- https://access.redhat.com/security/cve/CVE-2026-0968Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2436982Third Party Advisory
- https://www.libssh.org/2026/02/10/libssh-0-12-0-and-0-11-4-security-releases/Release Notes
FAQ
What is CVE-2026-0968?
CVE-2026-0968 is a vulnerability with a CVSS score of 3.1 (LOW). 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...
How severe is CVE-2026-0968?
CVE-2026-0968 has been rated LOW with a CVSS base score of 3.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-0968?
Check the references section above for vendor advisories and patch information. Affected products include: Libssh Libssh, Redhat Enterprise Linux.