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Red Hat Security Advisory: nodejs:20 security update

0
High
Published: 02/17/2026 (02/17/2026, 09:32:33 UTC)
Source: GCVE Database
Vendor/Project: Red Hat Product Security
Product: Red Hat

Description

Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Security Fix(es): * nodejs: Nodejs filesystem permissions bypass (CVE-2025-55132) * nodejs: Nodejs denial of service (CVE-2026-21637) * nodejs: Nodejs denial of service (CVE-2025-59466) * nodejs: Nodejs denial of service (CVE-2025-59465) * nodejs: Nodejs uninitialized memory exposure (CVE-2025-55131) * nodejs: Nodejs file permissions bypass (CVE-2025-55130) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Affected software

nodejs
pkg:npm/nodejs
Affected versions
20.0.0 <20.20.1

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 07/03/2026, 00:37:33 UTC

Technical Analysis

This advisory covers six security vulnerabilities in the Node.js 20 module for Red Hat Enterprise Linux 9, including CVE-2025-55130 and related CVEs. The issues include filesystem permissions bypass (CWE-281), denial of service (CWE-770), and uninitialized memory exposure (CWE-248), among others. Red Hat has released an update to fix these vulnerabilities, which affect multiple architectures and extended support versions of RHEL 9. The advisory does not provide CVSS scores but rates the update as important. The vendor advisory provides detailed instructions for applying the update.

Potential Impact

The vulnerabilities could allow unauthorized bypass of filesystem permissions, cause denial of service conditions, or expose uninitialized memory, potentially leading to information disclosure or service disruption. The severity is rated as high by the source data, indicating significant risk if unpatched. There are no known exploits in the wild at this time.

Mitigation Recommendations

Red Hat has released an official security update for the Node.js 20 module in Red Hat Enterprise Linux 9 that addresses these vulnerabilities. Users should apply the update as described in the Red Hat advisory (RHSA-2026:2783) available at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official patch.

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Technical Details

Gcve Source
db.gcve.eu
Csaf Category
csaf_security_advisory
Csaf Version
2.0
Publisher
Red Hat Product Security
Advisory Id
RHSA-2026:2783
Cve Count
6
Additional Cves
["CVE-2025-55131","CVE-2025-55132","CVE-2025-59465","CVE-2025-59466","CVE-2026-21637"]

Threat ID: 6a27e99f8dd33fbd8516d210

Added to database: 06/09/2026, 10:23:27 UTC

Last enriched: 07/03/2026, 00:37:33 UTC

Last updated: 09/10/2026, 19:36:51 UTC

Views: 345

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