Detections
Analytics

Oracle Linux 9 : openssh (ELSA-2026-85958)

medium Nessus Plugin ID 370151

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-85958 advisory.

 - CVE-2026-59998: Document caveat regarding GSSAPIStrictAcceptorCheck Resolves: RHEL-276221
 - CVE-2026-59997: Fix internal-sftp server argument parsing limit Resolves: RHEL-276234

Tenable has extracted the preceding description block directly from the Oracle Linux 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 packages.

See Also

https://linux.oracle.com/errata/ELSA-2026-85958.html

Plugin Details

Severity: Medium

ID: 370151

File Name: oraclelinux_ELSA-2026-85958.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/21/2026

Updated: 10/21/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2026-59998

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:L/I:L/A:N

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

Vulnerability Information

CPE: cpe:/o:oracle:linux:9, cpe:/o:oracle:linux:9:8:baseos_patch, p-cpe:/a:oracle:linux:openssh-askpass, p-cpe:/a:oracle:linux:openssh-clients, p-cpe:/a:oracle:linux:openssh-keycat, p-cpe:/a:oracle:linux:openssh-server, p-cpe:/a:oracle:linux:openssh, p-cpe:/a:oracle:linux:pam_ssh_agent_auth

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Ease: No known exploits are available

Patch Publication Date: 10/21/2026

Vulnerability Publication Date: 7/8/2026

Reference Information

CVE: CVE-2026-59997, CVE-2026-59998, CVE-2026-60000

IAVA: 2026-A-0691-S