CVE-2026-59848 Affecting libssh4 package, versions <0.9.8-150400.3.20.1


Severity

Recommended
medium

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.3% (22nd percentile)

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  • Snyk IDSNYK-SLES155-LIBSSH4-18516007
  • published4 Aug 2026
  • disclosed3 Aug 2026

Introduced: 3 Aug 2026

NewCVE-2026-59848  (opens in a new tab)

How to fix?

Upgrade SLES:15.5 libssh4 to version 0.9.8-150400.3.20.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libssh4 package and not the libssh4 package as distributed by SLES. See How to fix? for SLES:15.5 relevant fixed versions and status.

A flaw was found in libssh. A malicious SFTP server can send responses for unknown request IDs that libssh clients keep queued indefinitely, causing unbounded memory growth and client-side denial of service.

CVSS Base Scores

version 3.1