What is CVE-2016-10539?

CVE-2016-10539 is a high-severity vulnerability in Hackerone Negotiator Node Module, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2018-05-31.

How severe is CVE-2016-10539?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2016-10539 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Hackerone Negotiator Node Module

CVE-2016-10539

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.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.014 (69.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Hackerone Negotiator Node Module — versions <= 0.6.0
Negotiator_project Negotiator

Weakness classification (CWE)

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

support@hackerone.com (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2016-10539?: CVE-2016-10539 is a high-severity vulnerability in Hackerone Negotiator Node Module, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2018-05-31.
How severe is CVE-2016-10539?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2016-10539 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.