GHSA-78cj-fxph-m83p
Regular Expression Denial of Service (ReDoS) in ua-parser-js
At a glance
- Published
- Updated
- CVE
- CVE-2021-27292
- CVSS_V3
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
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
| Package | Versions |
|---|---|
| npm · ua-parser-js | introduced 0.7.14, fixed 0.7.24 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-27292 ADVISORY
- https://github.com/faisalman/ua-parser-js/commit/809439e20e273ce0d25c1d04e111dcf6011eb566 WEB
- https://github.com/pygments/pygments/commit/2e7e8c4a7b318f4032493773732754e418279a14 WEB
- https://gist.github.com/b-c-ds/6941d80d6b4e694df4bc269493b7be76 WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |