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

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

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.

Node.js
Debian Linux
SUSE Linux Enterprise Server 15 SP6
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
Red Hat Enterprise Linux for ARM 64
Anolis OS
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 ARM 64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux Server - AUS
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
nodejs (Debian package)
nodejs-libs
nodejs
nodejs-docs
nodejs-debuginfo
nodejs-debugsource
nodejs-devel
nodejs-full-i18n
corepack20
nodejs20-docs
nodejs20-debugsource
nodejs20
nodejs20-devel
nodejs20-debuginfo
npm20
nodejs22 (Red Hat package)
nodejs22-debuginfo
nodejs22-docs
corepack22
nodejs22
nodejs22-devel
nodejs22-debugsource
npm22
nodejs24 (Red Hat package)
nodejs-packaging-bundler
nodejs-packaging

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
nodejs (Debian package) - addressed in versions 18.20.4+dfsg-1~deb12u2, 20.19.2+dfsg-1+deb13u1
nodejs-libs - update to 20.18.2-5
nodejs - update to 20.18.2-5
nodejs-docs - update to 20.18.2-5
nodejs-debuginfo - update to 20.18.2-5
nodejs-debugsource - update to 20.18.2-5
nodejs-devel - update to 20.18.2-5
nodejs-full-i18n - update to 20.18.2-5
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
nodejs - addressed in versions 20.20.0-1, 22.22.0-1
nodejs-docs - addressed in versions 20.20.0-1, 22.22.0-1
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
nodejs20-debugsource - 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-devel - addressed in versions 20.20.0-150500.11.24.1, 20.20.0-150600.3.15.1
nodejs20-debuginfo - 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
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-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
corepack22 - update to 22.22.0-150600.13.12.1
nodejs22 - 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-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
nodejs24 (Red Hat package) - update to 24.13.0-1.el10_1
nodejs-packaging-bundler - update to 2021.06-5
nodejs-packaging - update to 2021.06-5

• https://nodejs.org/en/blog/vulnerability/december-2025-security-releases
• https://nodejs.org/en/blog/vulnerability/january-2026-security-releases

• Multiple vulnerabilities in Node.js (January 2026)
• Debian update for nodejs
• openEuler 24.03 LTS SP1 update for nodejs
• openEuler 24.03 LTS update for nodejs
• openEuler 24.03 LTS SP3 update for nodejs
• openEuler 24.03 LTS SP2 update for nodejs
• Red Hat Enterprise Linux 10 update for nodejs24
• Red Hat Enterprise Linux 10 update for nodejs22
• Red Hat Enterprise Linux 8 update for the nodejs:20 module
• Red Hat Enterprise Linux 9 update for the nodejs:20 module
• Red Hat Enterprise Linux 9 update for the nodejs:24 module
• Red Hat Enterprise Linux 9 update for the nodejs:22 module
• Red Hat Enterprise Linux 10 update for nodejs22
• Anolis OS update for nodejs:20 module
• Anolis OS update for nodejs
• SUSE update for nodejs22
• SUSE update for nodejs22
• SUSE update for nodejs20
• SUSE update for nodejs20
• Debian update for nodejs