Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 54.9%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
Products affected by CVE-2016-10539
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cpe:2.3:a:negotiator_project:negotiator:0.3.0
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cpe:2.3:a:negotiator_project:negotiator:0.4.3
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cpe:2.3:a:negotiator_project:negotiator:0.4.6
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cpe:2.3:a:negotiator_project:negotiator:0.4.7
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cpe:2.3:a:negotiator_project:negotiator:0.4.8
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cpe:2.3:a:negotiator_project:negotiator:0.4.9
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cpe:2.3:a:negotiator_project:negotiator:0.5.0
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cpe:2.3:a:negotiator_project:negotiator:0.5.1
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cpe:2.3:a:negotiator_project:negotiator:0.5.2
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cpe:2.3:a:negotiator_project:negotiator:0.5.3
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cpe:2.3:a:negotiator_project:negotiator:0.6.0