CVE-2017-16030

Useragent is used to parse useragent headers. It uses several regular expressions to accomplish this. An attacker could edit their own headers, creating an arbitrarily long useragent string, causing the event loop and server to block. This affects Useragent 2.1.12 and earlier.

• CWE-400

• https://nodesecurity.io/advisories/312Exploit, Third Party Advisory
• https://nodesecurity.io/advisories/312Exploit, Third Party Advisory

Published

Jun 4, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2017-16023Decamelize is used to convert a dash/dot/underscore/space se…
• CVE-2017-16024The sync-exec module is used to simulate child_process.execS…
• CVE-2017-16025Nes is a websocket extension library for hapi. Hapi is a web…
• CVE-2017-16026Request is an http client. If a request is made using ```mul…
• CVE-2017-16028react-native-meteor-oauth is a library for Oauth2 login to a…
• CVE-2017-16029hostr is a simple web server that serves up the contents of …
• CVE-2017-16031Socket.io is a realtime application framework that provides …
• CVE-2017-16035The hubl-server module is a wrapper for the HubL Development…
• CVE-2017-16036`badjs-sourcemap-server` receives files sent by `badjs-sourc…
• CVE-2017-16037`gomeplus-h5-proxy` is vulnerable to a directory traversal i…
• CVE-2017-16038`f2e-server` 1.12.11 and earlier is vulnerable to a director…
• CVE-2017-16039`hftp` is a static http or ftp server `hftp` is vulnerable t…