Vercel ms Inefficient Regular Expression Complexity vulnerability
A vulnerability, which was classified as problematic, has been found in vercel ms up to 1.x. This issue affects the function parse of the file index.js. The manipulation of the argument str leads to inefficient regular expression complexity. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.0.0 is able to address this issue. The name of the patch is caae2988ba2a37765d055c4eee63d383320ee662. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-217451.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | ms | < 2.0.0 | 2.0.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2017-20162
- https://github.com/vercel/ms/pull/89
- https://github.com/vercel/ms/commit/caae2988ba2a37765d055c4eee63d383320ee662
- https://github.com/vercel/ms
- https://github.com/vercel/ms/releases/tag/2.0.0
- https://security.netapp.com/advisory/ntap-20241108-0002
- https://vuldb.com/?ctiid.217451
- https://vuldb.com/?id.217451
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L- Weakness (CWE)
CWE-1333- Platform
- npm
- Package
ms- Disclosed
- 05.01.2023
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-w9mr-4mfr-499f - CC BY 4.0
Vulnerability history: ms
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 2
- First → latest
- 10.2017 01.2023
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 1
- Medium 1
Disclosures per year
- 2017: 1
- 2018: 0
- 2019: 0
- 2020: 0
- 2021: 0
- 2022: 0
- 2023: 1
- 2024: 0
- 2025: 0
- 2026: 0
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Vercel ms Inefficient Regular Expression Complexity vulnerability this entry
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