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Slackware Linux 15.0 / current libssh Multiple Vulnerabilities (SSA:2026-047-01)

medium Nessus Plugin ID 299277

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Synopsis

The remote Slackware Linux host is missing a security update to libssh.

Description

The version of libssh installed on the remote host is prior to 0.11.4 / 0.12.0. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2026-047-01 advisory.

 New libssh packages are available for Slackware 15.0 and -current to fix security issues.

Tenable has extracted the preceding description block directly from the libssh security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade the affected libssh package.

See Also

http://www.nessus.org/u?3983e33b

Plugin Details

Severity: Medium

ID: 299277

File Name: Slackware_SSA_2026-047-01.nasl

Version: 1.4

Type: Local

Published: 2/17/2026

Updated: 4/14/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-0968

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2026-0967

Vulnerability Information

CPE: cpe:/o:slackware:slackware_linux, p-cpe:/a:slackware:slackware_linux:libssh, cpe:/o:slackware:slackware_linux:15.0

Required KB Items: Host/local_checks_enabled, Host/Slackware/release, Host/Slackware/packages

Exploit Ease: No known exploits are available

Patch Publication Date: 2/16/2026

Vulnerability Publication Date: 2/16/2026

Reference Information

CVE: CVE-2025-14821, CVE-2026-0964, CVE-2026-0965, CVE-2026-0966, CVE-2026-0967, CVE-2026-0968

IAVA: 2026-A-0166