{"id":"CVE-2018-12122","title":"Node.js: All versions prior to Node.js 6.15.0, 8.14.0, 10.14.0 and 11.3.0: Slowloris HTTP Denial of Service: An attacker can cause a Denial of Service (DoS) by sending headers very slowly keeping HTTP or HTTPS connections and associated …","summary":"Node.js: All versions prior to Node.js 6.15.0, 8.14.0, 10.14.0 and 11.3.0: Slowloris HTTP Denial of Service: An attacker can cause a Denial of Service (DoS) by sending headers very slowly keeping HTTP or HTTPS connections and associated …","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-400","CWE-400"],"vendor":"nodejs","product":"node.js","affected":["node.js >= 6.0.0, < 6.15.1","node.js >= 8.0.0, < 8.14.0","node.js >= 10.0.0, < 10.14.0","node.js >= 11.0.0, < 11.3.0","suse_enterprise_storage = 4","suse_linux_enterprise_server = 12","suse_linux_enterprise_server = 15","suse_openstack_cloud = 7","suse_openstack_cloud = 8"],"patched":["node.js 11.3.0"],"published":"2018-11-28","updated":"2026-10-08","sourceUpdated":"2026-10-08T22:16:45.057","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2018-12122","references":[{"url":"http://www.securityfocus.com/bid/106043","label":"cve-request@iojs.org"},{"url":"https://access.redhat.com/errata/RHSA-2019:1821","label":"cve-request@iojs.org"},{"url":"https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/","label":"cve-request@iojs.org"},{"url":"https://security.gentoo.org/glsa/202003-48","label":"cve-request@iojs.org"},{"url":"http://www.securityfocus.com/bid/106043","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2019:1821","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/202003-48","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20241213-0009/","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.41288,"epssPercentile":0.98638,"ingestedAt":"2026-10-08T23:16:47.295Z","slug":"CVE-2018-12122","body":"## Overview\n\nNode.js: All versions prior to Node.js 6.15.0, 8.14.0, 10.14.0 and 11.3.0: Slowloris HTTP Denial of Service: An attacker can cause a Denial of Service (DoS) by sending headers very slowly keeping HTTP or HTTPS connections and associated resources alive for a long period of time.\n\n## Affected\n\n- `node.js >= 6.0.0, < 6.15.1`\n- `node.js >= 8.0.0, < 8.14.0`\n- `node.js >= 10.0.0, < 10.14.0`\n- `node.js >= 11.0.0, < 11.3.0`\n- `suse_enterprise_storage = 4`\n- `suse_linux_enterprise_server = 12`\n- `suse_linux_enterprise_server = 15`\n- `suse_openstack_cloud = 7`\n- `suse_openstack_cloud = 8`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `node.js 11.3.0`","depth":"twilight","depthScore":50,"depthScoreParts":{"impact":41.3,"likelihood":8.3,"exploitation":0,"ransomware":0},"changes":[]}