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Status published
High
CVE-2017-16030
Useragent is used to parse useragent headers. It uses several...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
HackerOne
View all reports →Affected Software
useragent node module
Vulnerable Versions:
<=2.1.12
Timeline
Official Publish:
June 4th, 2018
Last Modified:
September 17th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H