Description
A regular expression denial of service (ReDoS) vulnerability has been discovered in ua-parser-js.
Recommendation
Update the ua-parser-js package to the latest compatible version. Followings are version details:
Affected version(s): **>= 0.7.30, < 0.7.33 >= 0.8.0, < 1.0.33** Patched version(s): **0.7.33 1.0.33**
References
Related Issues
- Regular Expression Denial of Service (ReDoS) in ua-parser-js - CVE-2021-27292
- ua-parser-js Regular Expression Denial of Service vulnerability - CVE-2020-7793
- matrix-js-sdk Prototype Pollution vulnerability - CVE-2022-36059
- Terser insecure use of regular expressions leads to ReDoS - CVE-2022-25858
- Tags:
- npm
- ua-parser-js
Anything's wrong? Let us know Last updated on October 17, 2025