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.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade node-ua-parser-js | Jul 30, 2024 | Mar 17, 2021 |
| Splunk | — | Upgrade Splunk Enterprise to version 8.2.11Upgrade Splunk Enterprise to version 9.0.5Upgrade Splunk Enterprise to version 8.1.14 | Sep 30, 2025 | Mar 17, 2021 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Mar 17, 2021 |
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