SUSE SLES12 Security Update : libssh (SUSE-SU-2026:0778-1)

medium Nessus Plugin ID 301023

Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0778-1 advisory.

- CVE-2026-0964: improper sanitation of paths received from SCP servers can cause path traversal (bsc#1258049).
- CVE-2026-0965: possible denial of service when parsing unexpected configuration files (bsc#1258045).
- CVE-2026-0966: buffer underflow in ssh_get_hexa() on invalid input (bsc#1258054).
- CVE-2026-0967: specially crafted patterns could cause denial of service (bsc#1258081).
- CVE-2026-0968: malformed SFTP message can lead to out of bound read (bsc#1258080).

Tenable has extracted the preceding description block directly from the SUSE 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

Update the affected libssh-config, libssh-devel, libssh4 and / or libssh4-32bit packages.

See Also

https://bugzilla.suse.com/1258045

https://bugzilla.suse.com/1258049

https://bugzilla.suse.com/1258054

https://bugzilla.suse.com/1258080

https://bugzilla.suse.com/1258081

http://www.nessus.org/u?b6f581a6

https://www.suse.com/security/cve/CVE-2026-0964

https://www.suse.com/security/cve/CVE-2026-0965

https://www.suse.com/security/cve/CVE-2026-0966

https://www.suse.com/security/cve/CVE-2026-0967

https://www.suse.com/security/cve/CVE-2026-0968

Plugin Details

Severity: Medium

ID: 301023

File Name: suse_SU-2026-0778-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 3/6/2026

Updated: 3/6/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2026-0966

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:libssh4-32bit, p-cpe:/a:novell:suse_linux:libssh-devel, p-cpe:/a:novell:suse_linux:libssh4, p-cpe:/a:novell:suse_linux:libssh-config

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 3/3/2026

Vulnerability Publication Date: 2/19/2026

Reference Information

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

IAVA: 2026-A-0166

SuSE: SUSE-SU-2026:0778-1