Linux Distros Unpatched Vulnerability : CVE-2026-27143

critical Nessus Plugin ID 305622

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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.

- Arithmetic over induction variables in loops were not correctly checked for underflow or overflow. As a result, the compiler would allow for invalid indexing to occur at runtime, potentially leading to memory corruption. (CVE-2026-27143)

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: Critical

ID: 305622

File Name: unpatched_CVE_2026_27143.nasl

Version: 1.11

Type: Local

Agent: unix

Family: Misc.

Published: 4/8/2026

Updated: 5/19/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.5

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

CVSS Score Source: CVE-2026-27143

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:11.0, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:redhat:enterprise_linux:go-toolset, p-cpe:/a:canonical:ubuntu_linux:golang-1.10, p-cpe:/a:canonical:ubuntu_linux:golang-1.14, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:redhat:enterprise_linux:9, cpe:/o:debian:debian_linux:12.0, p-cpe:/a:canonical:ubuntu_linux:golang-1.13, p-cpe:/a:canonical:ubuntu_linux:golang-1.18, p-cpe:/a:canonical:ubuntu_linux:golang-1.20, p-cpe:/a:canonical:ubuntu_linux:golang-1.16, p-cpe:/a:canonical:ubuntu_linux:golang-1.21, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:golang-1.22, cpe:/o:debian:debian_linux:13.0, p-cpe:/a:canonical:ubuntu_linux:golang-1.17, p-cpe:/a:debian:debian_linux:golang-1.15, p-cpe:/a:debian:debian_linux:golang-1.19, p-cpe:/a:debian:debian_linux:golang-1.24, p-cpe:/a:canonical:ubuntu_linux:golang-1.6, p-cpe:/a:canonical:ubuntu_linux:golang-1.8, p-cpe:/a:canonical:ubuntu_linux:golang-1.9, p-cpe:/a:canonical:ubuntu_linux:golang-1.23, p-cpe:/a:canonical:ubuntu_linux:golang-1.24, cpe:/o:canonical:ubuntu_linux:25.10, p-cpe:/a:canonical:ubuntu_linux:golang-1.25, cpe:/o:canonical:ubuntu_linux:26.04

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

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 4/7/2026

Reference Information

CVE: CVE-2026-27143

Detections

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