CVE-2026-59848: Libssh: libssh: denial of service via sftp responses with unknown request ids

Overview

Severity

Medium (CVSS 5.3)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U

Exploit Status

Not Exploited

Patch Tuesday

2026-Jul

Released

2026-07-25

Last Updated

2026-08-11

EPSS Score

0.34% (percentile: 27.2%)

Affected Products (2)

Other

• 21700-17084
• 21431-17084

Revision History

• 2026-07-25: Information published.
• 2026-08-07: Information published.
• 2026-08-11: Information published.