CVE-2016-10539
Regular Expression Denial of Service in negotiator
7.5
HIGH
CVSS 3.1
EPSS 0.33%
Description
negotiator is an HTTP content negotiator for Node.js and is used by many modules and frameworks including Express and Koa. The header for "Accept-Language", when parsed by negotiator 0.6.0 and earlier is vulnerable to Regular Expression Denial of Service via a specially crafted string.
How to fix CVE-2016-10539
To remediate CVE-2016-10539, upgrade the affected package to a fixed version below.
- —upgrade to 0.6.1-1 or later
- —upgrade to 0.6.1 or later
Is CVE-2016-10539 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.6.1-1
- from 0, < 0.6.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |