CVE-2016-10539

Publication date 31 May 2018

Last updated 26 August 2025


Ubuntu priority

Cvss 3 Severity Score

7.5 · High

Score breakdown

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.

Status

Package Ubuntu Release Status
node-negotiator 25.04 plucky
Fixed 0.6.1-1
24.10 oracular
Fixed 0.6.1-1
24.04 LTS noble
Fixed 0.6.1-1
23.10 mantic
Fixed 0.6.1-1
23.04 lunar
Fixed 0.6.1-1
22.10 kinetic
Fixed 0.6.1-1
22.04 LTS jammy
Fixed 0.6.1-1
21.10 impish
Fixed 0.6.1-1
21.04 hirsute
Fixed 0.6.1-1
20.10 groovy
Fixed 0.6.1-1
20.04 LTS focal
Fixed 0.6.1-1
19.10 eoan
Fixed 0.6.1-1
19.04 disco
Fixed 0.6.1-1
18.10 cosmic
Fixed 0.6.1-1
18.04 LTS bionic
Fixed 0.6.1-1
17.10 artful Ignored end of life
16.04 LTS xenial
Vulnerable
14.04 LTS trusty Not in release

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H