Loop with Unreachable Exit Condition ('Infinite Loop') Affecting libssh-config package, versions <0:0.12.0-3.el10_2


Severity

Recommended
0.0
low
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.24% (16th percentile)

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  • Snyk IDSNYK-RHEL10-LIBSSHCONFIG-18952516
  • published19 Aug 2026
  • disclosed21 Jul 2026

Introduced: 21 Jul 2026

NewCVE-2026-59849  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade RHEL:10 libssh-config to version 0:0.12.0-3.el10_2 or higher.
This issue was patched in RHSA-2026:55855.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libssh-config package and not the libssh-config package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1