MediumFix available
chromium — security advisory
Lack of special casing of localhost in WPAD files in Google Chrome prior to 71.0.3578.80 allowed an attacker on the local network segment to proxy resources on localhost via a crafted WPAD file.
- Products
- chromium
- Affected versions
- Not specified
- Fixed versions
- 71.0.3578.80-1
- CVEs
- CVE-2018-18358
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:09 UTC · Revision 1
Source evidence
Lack of special casing of localhost in WPAD files in Google Chrome prior to 71.0.3578.80 allowed an attacker on the local network segment to proxy resources on localhost via a crafted WPAD file.
osv:DEBIAN-CVE-2018-18358
chromium
Fixed versions: 71.0.3578.80-1
chromium
Fixed versions: 71.0.3578.80-1
chromium
Fixed versions: 71.0.3578.80-1
Complete source record
{
"id": "8a0c411bbc3fa04cd82106a5f8170c4eb68f7065977b5cb04853d4f779145596",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2018-18358",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2018-18358",
"summary": "Lack of special casing of localhost in WPAD files in Google Chrome prior to 71.0.3578.80 allowed an attacker on the local network segment to proxy resources on localhost via a crafted WPAD file.",
"evidence": "osv:DEBIAN-CVE-2018-18358",
"products": [
{
"name": {
"value": "chromium",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "71.0.3578.80-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "chromium",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "71.0.3578.80-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "chromium",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "71.0.3578.80-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2018-18358",
"aliases": [
"DEBIAN-CVE-2018-18358"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "71.0.3578.80-1"
}
]
}
],
"package": {
"name": "chromium",
"purl": "pkg:deb/debian/chromium?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-18358.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "71.0.3578.80-1"
}
]
}
],
"package": {
"name": "chromium",
"purl": "pkg:deb/debian/chromium?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-18358.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "71.0.3578.80-1"
}
]
}
],
"package": {
"name": "chromium",
"purl": "pkg:deb/debian/chromium?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-18358.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T18:03:02.432954635Z",
"provider": "osv",
"upstream": [
"CVE-2018-18358"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2018-18358"
]
},
"related_cves": [
{
"value": "CVE-2018-18358",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 420203,
"published_at": "2018-12-11T16:29:02.09+00:00"
}