CVE-2026-59844: Libssh: libssh: denial of service via oversized sftp read length

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jul

Released

2026-07-25

EPSS Score

0.54% (percentile: 42.0%)

Affected Products (1)

Other

• 21431-17084

Revision History

• 2026-07-25: Information published.