CVE-2023-23920
Publication date 23 February 2023
Last updated 26 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
An untrusted search path vulnerability exists in Node.js. <19.6.1, <18.14.1, <16.19.1, and <14.21.3 that could allow an attacker to search and potentially load ICU data when running with elevated privileges.
Status
| Package | Ubuntu Release | Status | 
|---|---|---|
| nodejs | 24.04 LTS noble | 
                                Not affected 
                                
                               | 
| 22.04 LTS jammy | 
                                Fixed 12.22.9~dfsg-1ubuntu3.4 
                                
                               | |
| 20.04 LTS focal | 
                                Fixed 10.19.0~dfsg-3ubuntu1.5 
                                
                               | |
| 18.04 LTS bionic | 
                                Not affected 
                                
                               | |
| 16.04 LTS xenial | 
                                Not affected 
                                
                               | |
| 14.04 LTS trusty | 
                                Not affected 
                                
                               | 
Severity score breakdown
| Parameter | Value | 
|---|---|
| Base score |  | 
| Attack vector | Local | 
| Attack complexity | Low | 
| Privileges required | High | 
| User interaction | Required | 
| Scope | Unchanged | 
| Confidentiality | None | 
| Integrity impact | High | 
| Availability impact | None | 
| Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N | 
References
Related Ubuntu Security Notices (USN)
- USN-6672-1
- Node.js vulnerabilities
- 4 March 2024
Other references
- https://nodejs.org/en/blog/vulnerability/february-2023-security-releases/#node-js-insecure-loading-of-icu-data-through-icu_data-environment-variable-low-cve-2023-23920
- https://github.com/nodejs/node/commit/f369c0a739b9f0182ededa834a2a44e6fec322d1
- https://nodejs.org/en/blog/vulnerability/february-2023-security-releases/
- https://www.cve.org/CVERecord?id=CVE-2023-23920