high7.5
CVE-2021-27292
Regular Expression Denial of Service (ReDoS) in ua-parser-js
Impact
ua-parser-js >= 0.7.14, fixed in 0.7.24, uses a regular expression which is vulnerable to denial of service. If an attacker sends a malicious User-Agent header, ua-parser-js will get stuck processing it for an extended period of time.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | ua-parser-js | >= 0.7.14, < 0.7.24 | 0.7.24 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Ua-Parser-Js Project | Ua-Parser-Js | from 0.7.14 before 0.7.24 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://gist.github.com/b-c-ds/6941d80d6b4e694df4bc269493b7be76
- https://github.com/faisalman/ua-parser-js/commit/809439e20e273ce0d25c1d04e111dcf6011eb566
- https://github.com/pygments/pygments/commit/2e7e8c4a7b318f4032493773732754e418279a14
- https://github.com/advisories/GHSA-78cj-fxph-m83p
- https://nvd.nist.gov/vuln/detail/CVE-2021-27292