VULNERABILITY INTELLIGENCE
CVE-2026-59849
CVSS score3.1 LOW
EPSS probability0.44%
CISA KEVNot currently listed
Published2026-07-21
Last modified2026-09-22
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
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.
Weakness classification
- secalert@redhat.com: CWE-835
Primary references
- secalert@redhat.com — Issue Tracking
- secalert@redhat.com — Vendor Advisory
- secalert@redhat.com — Vendor Advisory
- secalert@redhat.com — Issue Tracking, Vendor Advisory