Vulnerability DatabaseCVE-2017-16030
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CVE-2017-16030
Published:June 04, 2018
Updated:May 17, 2026
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.
Affected Packages
useragent (NPM):
Affected version(s) >=0.1.0 <2.1.13
Fix Suggestion:
Update to version 2.1.13
Related Resources (4)
https://github.com/advisories/GHSA-pjmx-9xr3-82qr
https://www.npmjs.com/advisories/312
https://nodesecurity.io/advisories/312
https://nvd.nist.gov/vuln/detail/CVE-2017-16030
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Uncontrolled Resource Consumption
CWE-400
EPSS
Base Score:
0.43