Vulnerability library
Security checkSeptember 03, 2025

useragent Regular Expression Denial of Service vulnerability

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Medium severitynpmuseragent

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Description

Useragent is a user agent parser for Node.js. All versions as of time of publication contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS).

Recommendation

No fix is available yet. Followings are affected versions:

  • <= 2.3.0

References

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