CVE-2026-59848

Published Jul 21, 2026

Last updated a day ago

Overview

Description
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
secalert@redhat.com
NVD status
Analyzed
Products
libssh, hardened_images, enterprise_linux

Risk scores

CVSS 3.1

Type
Secondary
Base score
5.3
Impact score
1.4
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Severity
MEDIUM

Weaknesses

134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-770

Social media

Hype score
Not currently trending

Configurations