CVE-2026-59849

Published Jul 21, 2026

Last updated 21 hours ago

Overview

Description
A flaw was found in libssh. Logic errors in automatic certificate-based public key authentication can cause libssh clients to loop indefinitely when configured certificates are missing or repeatedly rejected by a server, leading to denial of service.
Source
secalert@redhat.com
NVD status
Analyzed
Products
libssh, hardened_images, enterprise_linux

Risk scores

CVSS 3.1

Type
Primary
Base score
7.5
Impact score
3.6
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity
HIGH

Weaknesses

secalert@redhat.com
CWE-835

Social media

Hype score
Not currently trending

Configurations