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CVE PROGRAM SOURCE RECORD3.1 Low

CVE-2026-59849

Libssh: libssh: denial of service via automatic certificate authentication loop

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Red Hat Red Hat Enterprise Linux 10

Default version status: affected

  • 0:0.12.0-3.el10_2 to < *unaffected

Red Hat Red Hat Hardened Images

Default version status: affected

  • 0.12.1-4.hum1 to < *unaffected

Red Hat Red Hat Enterprise Linux 8

Default version status: unaffected

Red Hat Red Hat Enterprise Linux 9

Default version status: unaffected

References