HighFix available
varnish — security advisory
In Varnish Cache 7.0.0, 7.0.1, 7.0.2, and 7.1.0, it is possible to cause the Varnish Server to assert and automatically restart through forged HTTP/1 backend responses. An attack uses a crafted reason phrase of the backend response status line. This is fixed in 7.0.3 and 7.1.1.
- Products
- varnish
- Affected versions
- Not specified
- Fixed versions
- 7.1.1-1
- CVEs
- CVE-2022-38150
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 15:31 UTC · Revision 1
Source evidence
In Varnish Cache 7.0.0, 7.0.1, 7.0.2, and 7.1.0, it is possible to cause the Varnish Server to assert and automatically restart through forged HTTP/1 backend responses. An attack uses a crafted reason phrase of the backend response status line. This is fixed in 7.0.3 and 7.1.1.
osv:DEBIAN-CVE-2022-38150
varnish
Fixed versions: 7.1.1-1
varnish
Fixed versions: 7.1.1-1
Complete source record
{
"id": "1b9eb6e5b51d3321b2e0276e77d4a21e9f8c76b1f2ec268ec81a811b6c59d040",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2022-38150",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2022-38150",
"summary": "In Varnish Cache 7.0.0, 7.0.1, 7.0.2, and 7.1.0, it is possible to cause the Varnish Server to assert and automatically restart through forged HTTP/1 backend responses. An attack uses a crafted reason phrase of the backend response status line. This is fixed in 7.0.3 and 7.1.1.",
"evidence": "osv:DEBIAN-CVE-2022-38150",
"products": [
{
"name": {
"value": "varnish",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7.1.1-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "varnish",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7.1.1-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2022-38150",
"aliases": [
"DEBIAN-CVE-2022-38150"
],
"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": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7.1.1-1"
}
]
}
],
"package": {
"name": "varnish",
"purl": "pkg:deb/debian/varnish?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-38150.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7.1.1-1"
}
]
}
],
"package": {
"name": "varnish",
"purl": "pkg:deb/debian/varnish?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-38150.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-15T08:03:04.982575987Z",
"provider": "osv",
"upstream": [
"CVE-2022-38150"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2022-38150"
]
},
"related_cves": [
{
"value": "CVE-2022-38150",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 325081,
"published_at": "2022-08-11T01:15:10.847+00:00"
}