Linux Distros Unpatched Vulnerability : CVE-2026-11790

high Nessus Plugin ID 320150

Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

- A flaw was found in 389 Directory Server. The PBKDF2-SHA256 password storage plugin does not enforce an upper bound on the iteration count extracted from stored password hashes. A privileged attacker who can modify a user's password hash can cause excessive CPU consumption during authentication, resulting in denial of service. (CVE-2026-11790)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

Plugin Details

Severity: High

ID: 320150

File Name: unpatched_CVE_2026_11790.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Misc.

Published: 6/9/2026

Updated: 6/9/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.3

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

CVSS Score Source: CVE-2026-11790

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.9

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:389-ds-base-bdb, p-cpe:/a:redhat:enterprise_linux:389-ds-base-legacy-tools, p-cpe:/a:redhat:enterprise_linux:389-ds-base-devel, p-cpe:/a:redhat:enterprise_linux:389-ds-base-libs, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:centos:centos:389-ds-base-libs, cpe:/o:centos:centos:8, p-cpe:/a:redhat:enterprise_linux:python3-lib389, p-cpe:/a:redhat:enterprise_linux:389-ds-base-snmp, cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:centos:centos:389-ds-base-snmp, p-cpe:/a:centos:centos:389-ds-base, p-cpe:/a:centos:centos:cockpit-389-ds, p-cpe:/a:centos:centos:389-ds-base-bdb, p-cpe:/a:redhat:enterprise_linux:389-ds-base, p-cpe:/a:redhat:enterprise_linux:cockpit-389-ds, cpe:/o:centos:centos:7, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:centos:centos:python3-lib389, p-cpe:/a:centos:centos:389-ds-base-legacy-tools, p-cpe:/a:centos:centos:389-ds-base-devel

Required KB Items: Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 6/9/2026

Reference Information

CVE: CVE-2026-11790

Detections

Analytics