{"id":"UBUNTU-CVE-2016-10539","details":"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.","modified":"2025-10-24T04:46:00Z","published":"2018-05-31T20:29:00Z","upstream":["CVE-2016-10539"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-10539"},{"type":"REPORT","url":"https://nodesecurity.io/advisories/106"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-10539"}],"affected":[{"package":{"name":"node-negotiator","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/node-negotiator@0.4.8-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.8-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.4.8-1","binary_name":"node-negotiator"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-10539.json"}},{"package":{"name":"node-negotiator","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/node-negotiator@0.6.1-1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.1-1"}]}],"versions":["0.4.8-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"0.6.1-1","binary_name":"node-negotiator"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-10539.json"}},{"package":{"name":"node-negotiator","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/node-negotiator@0.6.1-1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.1-1"}]}],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"0.6.1-1","binary_name":"node-negotiator"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-10539.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}