CVE-2017-16030 describes a denial-of-service vulnerability in the useragent_project useragent library, versions 2.1.12 and earlier. An attacker can craft an arbitrarily long user-agent string, causing the server's event loop to block due to excessive regular expression processing. This high-severity vulnerability (CVSS 7.5) requires no user interaction and can lead to a complete loss of availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.1.12CPE matchmatch criteria | cpe:2.3:a:useragent_project:useragent:*:*:*:*:*:node.js:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.