Linux Distros Unpatched Vulnerability : CVE-2021-38561

high Nessus Plugin ID 224109

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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.

- golang.org/x/text/language in golang.org/x/text before 0.3.7 can panic with an out-of-bounds read during BCP 47 language tag parsing. Index calculation is mishandled. If parsing untrusted user input, this can be used as a vector for a denial-of-service attack. (CVE-2021-38561)

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: 224109

File Name: unpatched_CVE_2021_38561.nasl

Version: 1.3

Type: local

Agent: unix

Family: Misc.

Published: 3/5/2025

Updated: 8/31/2025

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2021-38561

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:golang-golang-x-text, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:centos:centos:8, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:redhat:enterprise_linux:osbuild-composer-dnf-json, p-cpe:/a:centos:centos:osbuild-composer-worker, p-cpe:/a:redhat:enterprise_linux:podman, p-cpe:/a:redhat:enterprise_linux:osbuild-composer, p-cpe:/a:canonical:ubuntu_linux:golang-x-text, p-cpe:/a:centos:centos:podman, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:centos:centos:osbuild-composer, p-cpe:/a:centos:centos:osbuild-composer-dnf-json, p-cpe:/a:centos:centos:osbuild-composer-core, p-cpe:/a:redhat:enterprise_linux:osbuild-composer-core, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:redhat:enterprise_linux:osbuild-composer-worker

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

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 12/26/2022

Reference Information

CVE: CVE-2021-38561

Detections

Analytics