Amazon Linux 2023 : nodejs20, nodejs20-devel, nodejs20-full-i18n (ALAS2023-2026-1402)

medium Nessus Plugin ID 298073

Synopsis

The remote Amazon Linux 2023 host is missing a security update.

Description

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1402 advisory.

Bypass File System Permissions using crafted symlinks (CVE-2025-55130)

A flaw in Node.js's buffer allocation logic can expose uninitialized memory when allocations are interrupted, when using the vm module with the timeout option. Under specific timing conditions, buffers allocated with Buffer.alloc and other TypedArray instances like Uint8Array may contain leftover data from previous operations, allowing in-process secrets like tokens or passwords to leak or causing data corruption.

While exploitation typically requires precise timing or in-process code execution, it can become remotely exploitable when untrusted input influences workload and timeouts, leading to potential confidentiality and integrity impact. (CVE-2025-55131)

fs.futimes() Bypasses Read-Only Permission Model (CVE-2025-55132)

Node.js HTTP/2 server crashes with unhandled error when receiving malformed HEADERS frame (CVE-2025-59465)

Uncatchable Maximum call stack size exceeded error on Node.js via async_hooks leads to process crashes bypassing error handlers (CVE-2025-59466)

TLS PSK/ALPN Callback Exceptions Bypass Error Handlers, Causing DoS and FD Leak

NOTE: https://nodejs.org/en/blog/vulnerability/december-2025-security-releases#tls-pskalpn-callback- exceptions-bypass-error-handlers-causing-dos-and-fd-leak-cve-2026-21637---medium (CVE-2026-21637)

Tenable has extracted the preceding description block directly from the tested product 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

Run 'dnf update nodejs20 --releasever 2023.10.20260202' or or 'dnf update --advisory ALAS2023-2026-1402 --releasever 2023.10.20260202' to update your system.

Plugin Details

Severity: Medium

ID: 298073

File Name: al2023_ALAS2023-2026-1402.nasl

Version: 1.1

Type: local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 2/5/2026

Updated: 2/5/2026

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

Risk Information

VPR

Risk Factor: High

Score: 7.0

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2025-55132

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 8.2

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

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

CVSS Score Source: CVE-2025-55130

CVSS v4

Risk Factor: Medium

Base Score: 4.8

Threat Score: 1.9

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:nodejs20, p-cpe:/a:amazon:linux:nodejs20-npm, p-cpe:/a:amazon:linux:nodejs20-libs, p-cpe:/a:amazon:linux:nodejs20-debuginfo, p-cpe:/a:amazon:linux:nodejs20-full-i18n, p-cpe:/a:amazon:linux:nodejs20-libs-debuginfo, p-cpe:/a:amazon:linux:nodejs20-docs, cpe:/o:amazon:linux:2023, p-cpe:/a:amazon:linux:v8-11.3-devel, p-cpe:/a:amazon:linux:nodejs20-debugsource, p-cpe:/a:amazon:linux:nodejs20-devel

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/5/2026

Vulnerability Publication Date: 1/13/2026

Reference Information

CVE: CVE-2025-55130, CVE-2025-55131, CVE-2025-55132, CVE-2025-59465, CVE-2025-59466, CVE-2026-21637

Detections

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