PT-2026-61948 · Red Hat · Red Hat Enterprise Linux 10+3

CVE-2026-59849 · Published 2026-07-21 · Updated 2026-07-21

Mitre

CVSS v3.1

3.1

Low

Base vector

AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

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.

Fix

Infinite Loop

Weakness Enumeration

CWE-835

Related Identifiers

CVE-2026-59849

Affected Products

Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 8

Red Hat Enterprise Linux 9

Red Hat Hardened Images

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-59849 · Security Note
• https://access.redhat.com/security/cve/CVE-2026-59849 · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=2498182 · Note