High
Security advisory
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 resources alive for a long period of time.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-12122
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:00 UTC · Revision 1
Source evidence
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 resources alive for a long period of time.
osv:CVE-2018-12122
Complete source record
{
"id": "700b07ec0a00c88b3bff0bcea1cea8e8ed76fd788e5666e8a87f4b4da7d43990",
"url": "https://osv.dev/vulnerability/CVE-2018-12122",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-12122",
"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 resources alive for a long period of time.",
"evidence": "osv:CVE-2018-12122",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2018-12122",
"aliases": [
"CVE-2018-12122"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/nodejs/node",
"type": "GIT",
"events": [
{
"introduced": "ce3e3c5fe15479475c068482c48eb9cbf1ac9df5"
},
{
"fixed": "cde64500277d7697743e772575738c8415c7d6ab"
},
{
"introduced": "0d8021e5a4cf0a6aa3a700a361f6d42c2894f2ba"
},
{
"fixed": "39716a8835a0ba61683974aef70e05ce7f8e414a"
},
{
"introduced": "cf41627411886000429bde058a6594fb7f6d6d47"
},
{
"fixed": "b7103135bc7987dee97e8795b0b38293d05fd842"
},
{
"introduced": "cea049bcf8bb0f9a6e0095dbd5dffdb14dc8f71b"
},
{
"fixed": "00fb73a72eff0e90d0f85b95dbcfc3c21f89cff9"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*",
"range": [
{
"introduced": "6.0.0"
},
{
"fixed": "6.15.1"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*",
"range": [
{
"introduced": "8.0.0"
},
{
"fixed": "8.14.0"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*",
"range": [
{
"introduced": "10.0.0"
},
{
"fixed": "10.14.0"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*",
"range": [
{
"introduced": "11.0.0"
},
{
"fixed": "11.3.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v6.15.0",
"v6.14.4",
"v8.13.0",
"v11.2.0",
"v11.1.0",
"v10.13.0",
"v11.0.0",
"v10.12.0",
"v10.11.0",
"v8.12.0",
"v10.10.0",
"v10.9.0",
"v8.11.4",
"v10.8.0",
"v10.7.0",
"v10.6.0",
"v10.5.0",
"v10.4.1",
"v8.11.3",
"v6.14.3",
"v10.4.0",
"v10.3.0",
"v10.2.1",
"v10.2.0",
"v8.11.2",
"v10.1.0",
"v6.14.2",
"v10.0.0",
"v8.11.1",
"v6.14.1",
"v6.14.0",
"v8.11.0",
"v8.10.0",
"v6.13.1",
"v6.13.0",
"v8.9.4",
"v6.12.3",
"v8.9.3",
"v6.12.2",
"v8.9.2",
"v6.12.1",
"v8.9.1",
"v6.12.0",
"v8.9.0",
"v8.8.1",
"v6.11.5",
"v8.8.0",
"v8.7.0",
"v6.11.4",
"v8.6.0",
"v8.5.0",
"v6.11.3",
"v8.4.0",
"v8.3.0",
"v6.11.2",
"v8.2.1",
"v8.2.0",
"v8.1.4",
"v6.11.1",
"v8.1.3",
"v8.1.2",
"v8.1.1",
"v8.1.0",
"v6.11.0",
"v8.0.0",
"v6.10.3",
"v6.10.2",
"v6.10.1",
"v6.10.0",
"v6.9.5",
"v6.9.4",
"v6.9.3",
"v6.9.2",
"v6.9.1",
"v6.9.0",
"v6.8.1",
"v6.8.0",
"v6.7.0",
"v6.6.0",
"v6.5.0",
"v6.4.0",
"v6.3.1",
"v6.3.0",
"v6.2.2",
"v6.2.1",
"v6.2.0",
"v6.1.0",
"v6.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-12122.json"
}
}
],
"modified": "2026-10-24T10:30:23.668467995Z",
"provider": "osv",
"references": [
"https://access.redhat.com/errata/RHSA-2019:1821",
"https://security.gentoo.org/glsa/202003-48",
"https://security.netapp.com/advisory/ntap-20241213-0009/",
"https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:suse:suse_enterprise_storage:4:*:*:*:*:*:*:*"
],
"vendor_product": "suse:suse_enterprise_storage",
"extracted_events": [
{
"range": [
{
"introduced": "4"
},
{
"last_affected": "4"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:suse:suse_linux_enterprise_server:12:*:*:*:*:*:*:*",
"cpe:2.3:o:suse:suse_linux_enterprise_server:15:*:*:*:*:*:*:*"
],
"vendor_product": "suse:suse_linux_enterprise_server",
"extracted_events": [
{
"range": [
{
"introduced": "12"
},
{
"last_affected": "12"
},
{
"introduced": "15"
},
{
"last_affected": "15"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:suse:suse_openstack_cloud:7:*:*:*:*:*:*:*",
"cpe:2.3:o:suse:suse_openstack_cloud:8:*:*:*:*:*:*:*"
],
"vendor_product": "suse:suse_openstack_cloud",
"extracted_events": [
{
"range": [
{
"introduced": "7"
},
{
"last_affected": "7"
},
{
"introduced": "8"
},
{
"last_affected": "8"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2018-12122",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 430975,
"published_at": "2018-11-28T17:29:00.37+00:00"
}