CVEvulnerability

CVE-2026-59849

7.5 HIGH Published 2026-07-21 Modified 2026-09-22 Official page ↗
Status
Analyzed
Published
2026-07-21
Last modified
2026-09-22
Assigner
[email protected]
CVSS 3.1 ([email protected])
3.1 LOW — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-835

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.

Affected configurations

• libssh libssh (>= 0.11.0 < 0.11.5) • libssh libssh 0.12.0 • redhat hardened images • redhat enterprise linux 10.0 • redhat enterprise linux 10.2 • redhat enterprise linux for els 10.2 • redhat enterprise linux for eus 10.2 • redhat enterprise linux for ibm z systems 10.0 • redhat enterprise linux for ibm z systems 10.2 • redhat enterprise linux for ibm z systems els 10.2 • redhat enterprise linux for ibm z systems eus 10.2 • redhat enterprise linux for power little endian 10.0 • redhat enterprise linux for power little endian 10.2 • redhat enterprise linux for power little endian els 10.2 • redhat enterprise linux for power little endian eus 10.2

Related

Weakness · CWE (1)

  • CWE-835 Loop with Unreachable Exit Condition weakness

References