MediumFix available
etcd — security advisory
DNS rebinding vulnerability found in etcd 3.3.1 and earlier. An attacker can control his DNS records to direct to localhost, and trick the browser into sending requests to localhost (or any other address).
- Products
- etcd
- Affected versions
- Not specified
- Fixed versions
- 3.4.23-1
- CVEs
- CVE-2018-1099
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:41 UTC · Revision 1
Source evidence
DNS rebinding vulnerability found in etcd 3.3.1 and earlier. An attacker can control his DNS records to direct to localhost, and trick the browser into sending requests to localhost (or any other address).
osv:DEBIAN-CVE-2018-1099
etcd
Fixed versions: 3.4.23-1
etcd
Fixed versions: 3.4.23-1
etcd
Fixed versions: 3.4.23-1
Complete source record
{
"id": "4017e42090ccfee9ebeb5155564f20dfd7befb53d25234fbec8ec73523da347c",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2018-1099",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2018-1099",
"summary": "DNS rebinding vulnerability found in etcd 3.3.1 and earlier. An attacker can control his DNS records to direct to localhost, and trick the browser into sending requests to localhost (or any other address).",
"evidence": "osv:DEBIAN-CVE-2018-1099",
"products": [
{
"name": {
"value": "etcd",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.4.23-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "etcd",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.4.23-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "etcd",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.4.23-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2018-1099",
"aliases": [
"DEBIAN-CVE-2018-1099"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.4.23-1"
}
]
}
],
"package": {
"name": "etcd",
"purl": "pkg:deb/debian/etcd?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-1099.json"
},
"ecosystem_specific": {
"urgency": "low"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.4.23-1"
}
]
}
],
"package": {
"name": "etcd",
"purl": "pkg:deb/debian/etcd?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-1099.json"
},
"ecosystem_specific": {
"urgency": "low"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.4.23-1"
}
]
}
],
"package": {
"name": "etcd",
"purl": "pkg:deb/debian/etcd?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-1099.json"
},
"ecosystem_specific": {
"urgency": "low"
}
}
],
"modified": "2026-10-23T18:03:35.783916178Z",
"provider": "osv",
"upstream": [
"CVE-2018-1099"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2018-1099"
]
},
"related_cves": [
{
"value": "CVE-2018-1099",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 421941,
"published_at": "2018-04-03T16:29:00.297+00:00"
}