VULNERABILITY INTELLIGENCE

CVE-2026-59844

CVSS score6.5 MEDIUM
EPSS probability0.57%
CISA KEVNot currently listed
Published2026-07-21
Last modified2026-09-01
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

A flaw was found in libssh. A remote authenticated client can issue SSH_FXP_READ requests with an arbitrarily large length, causing a libssh SFTP server to allocate excessive memory and potentially exhaust it through repeated requests.

Weakness classification

  • CWE-789: Memory Allocation with Excessive Size Value

Primary references