CVE-2022-25927 – ua-parser-js

Package

Manager: npm
Name: ua-parser-js
Vulnerable Version: >=0 <0.7.33 || >=0.8.0 <1.0.33

Severity

Level: High

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

EPSS: 0.01372 pctl0.79502

Details

ReDoS Vulnerability in ua-parser-js version ### Description: A regular expression denial of service (ReDoS) vulnerability has been discovered in `ua-parser-js`. ### Impact: This vulnerability bypass the library's `MAX_LENGTH` input limit prevention. By crafting a very-very-long user-agent string with specific pattern, an attacker can turn the script to get stuck processing for a very long time which results in a denial of service (DoS) condition. ### Affected Versions: All versions of the library prior to version `0.7.33` / `1.0.33`. ### Patches: A patch has been released to remove the vulnerable regular expression, update to version `0.7.33` / `1.0.33` or later. ### References: [Regular expression Denial of Service - ReDoS](https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS) ### Credits: Thanks to @Snyk who first reported the issue.

Metadata

Created: 2023-01-24T15:36:32Z
Modified: 2025-04-01T23:06:05Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/01/GHSA-fhg7-m89q-25r3/GHSA-fhg7-m89q-25r3.json
CWE IDs: ["CWE-1333", "CWE-400"]
Alternative ID: GHSA-fhg7-m89q-25r3
Finding: F211
Auto approve: 1