Race condition in Node.js - CVE-2025-55131

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Main Vulnerability Database Vulnerabilities #VU126386

Race condition in Node.js - CVE-2025-55131

Published: April 17, 2026


Vulnerability identifier: #VU126386
CSH Severity: Low
CVSS v4: 6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-55131
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to disclose sensitive information or corrupt data.

The vulnerability exists due to a race condition in buffer allocation logic when using the vm module with the timeout option. A remote user can influence workload and timeout behavior to disclose sensitive information or corrupt data.

Exploitation typically requires precise timing or in-process code execution.


Affected software

Node.js
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15 SP6
Debian Linux
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
Anolis OS
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Web and Scripting Module
openSUSE Leap
openEuler
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
nodejs-nodemon
npm
nodejs-npm
v8-devel
v8-12.4-devel
corepack16
nodejs16-docs
nodejs16-debuginfo
nodejs16-devel
npm16
nodejs16-debugsource
nodejs16
nodejs (Debian package)
nodejs18-debugsource
nodejs18-devel
npm18
nodejs18
nodejs18-debuginfo
nodejs18-docs
corepack18
nodejs
nodejs-docs
nodejs-debugsource
nodejs-libs
nodejs-full-i18n
nodejs-devel
nodejs-debuginfo
nodejs20-debuginfo
corepack20
nodejs20-docs
npm20
nodejs20-devel
nodejs20
nodejs20-debugsource
nodejs22 (Red Hat package)
nodejs22-debugsource
npm22
nodejs22-devel
nodejs22
corepack22
nodejs22-debuginfo
nodejs22-docs
nodejs24 (Red Hat package)
nodejs-packaging
nodejs-packaging-bundler

How to mitigate CVE-2025-55131

Install security update from vendor's website.

Node.js - addressed in versions 20.20.0, 22.22.0, 24.13.0, 25.3.0
nodejs-nodemon - update to 3.0.1-1
npm - update to 10.8.2-1.20.18.2.5
npm - update to 10.8.2-1.20.20.0.1
nodejs-npm - update to 10.9.4-1.22.22.0.1
v8-devel - update to 11.3.244.8-1.20.18.2.5
v8-12.4-devel - update to 12.4.254.21-1.22.22.0.1
corepack16 - update to 16.20.2-150400.3.42.1
nodejs16-docs - update to 16.20.2-150400.3.42.1
nodejs16-debuginfo - update to 16.20.2-150400.3.42.1
nodejs16-devel - update to 16.20.2-150400.3.42.1
npm16 - update to 16.20.2-150400.3.42.1
nodejs16-debugsource - update to 16.20.2-150400.3.42.1
nodejs16 - update to 16.20.2-150400.3.42.1
nodejs (Debian package) - addressed in versions 18.20.4+dfsg-1~deb12u2, 20.19.2+dfsg-1+deb13u1
nodejs18-debugsource - addressed in versions 18.20.8-8.44.1, 18.20.8-150400.9.39.1
nodejs18-devel - addressed in versions 18.20.8-8.44.1, 18.20.8-150400.9.39.1
npm18 - addressed in versions 18.20.8-8.44.1, 18.20.8-150400.9.39.1
nodejs18 - addressed in versions 18.20.8-8.44.1, 18.20.8-150400.9.39.1
nodejs18-debuginfo - addressed in versions 18.20.8-8.44.1, 18.20.8-150400.9.39.1
nodejs18-docs - addressed in versions 18.20.8-8.44.1, 18.20.8-150400.9.39.1
corepack18 - update to 18.20.8-150400.9.39.1
nodejs - update to 20.18.2-5
nodejs-docs - update to 20.18.2-5
nodejs-debugsource - update to 20.18.2-5
nodejs-libs - update to 20.18.2-5
nodejs-full-i18n - update to 20.18.2-5
nodejs-devel - update to 20.18.2-5
nodejs-debuginfo - update to 20.18.2-5
nodejs-docs - addressed in versions 20.20.0-1, 22.22.0-1
nodejs - addressed in versions 20.20.0-1, 22.22.0-1
nodejs-devel - addressed in versions 20.20.0-1, 22.22.0-1
nodejs-full-i18n - addressed in versions 20.20.0-1, 22.22.0-1
nodejs20-debuginfo - addressed in versions 20.20.0-150500.11.24.1, 20.20.0-150600.3.15.1
corepack20 - addressed in versions 20.20.0-150500.11.24.1, 20.20.0-150600.3.15.1
nodejs20-docs - addressed in versions 20.20.0-150500.11.24.1, 20.20.0-150600.3.15.1
npm20 - addressed in versions 20.20.0-150500.11.24.1, 20.20.0-150600.3.15.1
nodejs20-devel - addressed in versions 20.20.0-150500.11.24.1, 20.20.0-150600.3.15.1
nodejs20 - addressed in versions 20.20.0-150500.11.24.1, 20.20.0-150600.3.15.1
nodejs20-debugsource - addressed in versions 20.20.0-150500.11.24.1, 20.20.0-150600.3.15.1
nodejs-libs - update to 22.22.0-1
nodejs22 (Red Hat package) - addressed in versions 22.22.0-1.el10_0, 22.22.0-3.el10_1
nodejs22-debugsource - addressed in versions 22.22.0-150600.13.12.1, 22.22.0-150700.3.6.1
npm22 - addressed in versions 22.22.0-150600.13.12.1, 22.22.0-150700.3.6.1
nodejs22-devel - addressed in versions 22.22.0-150600.13.12.1, 22.22.0-150700.3.6.1
nodejs22 - addressed in versions 22.22.0-150600.13.12.1, 22.22.0-150700.3.6.1
corepack22 - update to 22.22.0-150600.13.12.1
nodejs22-debuginfo - addressed in versions 22.22.0-150600.13.12.1, 22.22.0-150700.3.6.1
nodejs22-docs - addressed in versions 22.22.0-150600.13.12.1, 22.22.0-150700.3.6.1
nodejs24 (Red Hat package) - update to 24.13.0-1.el10_1
nodejs-packaging - update to 2021.06-5
nodejs-packaging-bundler - update to 2021.06-5

External References

Related Security Bulletins