CVE-2026-59848 — Libssh: libssh: denial of service via sftp responses with unknown request ids
A flaw was found in libssh. A malicious SFTP server can send responses for unknown request IDs that libssh clients keep queued indefinitely, causing unbounded memory growth and …
Published: 2026-07-21 · CVSS: 5.3 · CVSS 3.1
A flaw was found in libssh. A malicious SFTP server can send responses for unknown request IDs that libssh clients keep queued indefinitely, causing unbounded memory growth and client-side denial of service.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7