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Linux Distros Unpatched Vulnerability : CVE-2026-94300

high Nessus Plugin ID 370035

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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.

 - Replaying GSS-TSIG signed UDP messages can result in memory corruption in `named`. An attacker who can capture a previously signed UDP message can replay it while the negotiated TSIG key is still valid. By also sending crafted queries to a zone the attacker controls, the attacker may potentially achieve remote code execution. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.29, 9.21.0 through 9.21.26, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.29-S1. (CVE-2026-94300)

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

Solution

There is no known solution at this time.

See Also

https://access.redhat.com/security/cve/cve-2026-94300

https://security-tracker.debian.org/tracker/CVE-2026-94300

https://ubuntu.com/security/CVE-2026-94300

Plugin Details

Severity: High

ID: 370035

File Name: unpatched_CVE_2026_94300.nasl

Version: 1.17

Type: Local

Agent: unix

Family: Misc.

Published: 10/21/2026

Updated: 11/6/2026

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.6

Percentile: 98.11

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 6.8

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

CVSS Score Source: CVE-2026-94300

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: cpe:/a:redhat:enterprise_linux:9, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:canonical:ubuntu_linux:26.04:-:lts, cpe:/o:debian:debian_linux:12.0, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:canonical:ubuntu_linux:bind9-libs, p-cpe:/a:canonical:ubuntu_linux:bind9, p-cpe:/a:canonical:ubuntu_linux:isc-dhcp, p-cpe:/a:debian:debian_linux:bind9, p-cpe:/a:redhat:enterprise_linux:dhcp-client, p-cpe:/a:redhat:enterprise_linux:dhcp-common, p-cpe:/a:redhat:enterprise_linux:dhcp-relay, p-cpe:/a:redhat:enterprise_linux:dhcp-server, p-cpe:/a:redhat:enterprise_linux:dhcp

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

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 10/21/2026

Reference Information

CVE: CVE-2026-94300