Resource management error in Node.js - CVE-2025-27209
Published: July 22, 2025
Vulnerability identifier: #VU113119
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-27209
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Node.js Foundation
Affected software:
Node.js
Node.js
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists in V8 due to usage of rapidhash when computing hash strings. A remote attacker can generate multiple hash collisions, leading to a denial of service conditions.
How to mitigate CVE-2025-27209
Install updates from vendor's website.