Unrated
Security advisory
In Varnish Cache before 6.6.2 and 7.x before 7.0.2, Varnish Cache 6.0 LTS before 6.0.10, and and Varnish Enterprise (Cache Plus) 4.1.x before 4.1.11r6 and 6.0.x before 6.0.9r4, request smuggling can occur for HTTP/1 connections.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2022-23959
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 01:42 UTC · Revision 1
Source evidence
In Varnish Cache before 6.6.2 and 7.x before 7.0.2, Varnish Cache 6.0 LTS before 6.0.10, and and Varnish Enterprise (Cache Plus) 4.1.x before 4.1.11r6 and 6.0.x before 6.0.9r4, request smuggling can occur for HTTP/1 connections.
osv:CVE-2022-23959
Complete source record
{
"id": "5f9e4838d2e3d4501d810442afa658e1aed775fe67bec1b6079b5071c4878a80",
"url": "https://osv.dev/vulnerability/CVE-2022-23959",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2022-23959",
"summary": "In Varnish Cache before 6.6.2 and 7.x before 7.0.2, Varnish Cache 6.0 LTS before 6.0.10, and and Varnish Enterprise (Cache Plus) 4.1.x before 4.1.11r6 and 6.0.x before 6.0.9r4, request smuggling can occur for HTTP/1 connections.",
"evidence": "osv:CVE-2022-23959",
"products": [],
"severity": "unknown",
"structured": {
"id": "CVE-2022-23959",
"aliases": [
"BIT-varnish-2022-23959",
"CVE-2022-23959"
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/varnishcache/varnish-cache",
"type": "GIT",
"events": [
{
"introduced": "454733b82a3279a1603516b4f0a07f8bad4bcd55"
},
{
"fixed": "9b5f68e19ca0ab60010641e305fd12822f18d42c"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:varnish_cache_project:varnish_cache:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.0.0"
},
{
"fixed": "7.0.2"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"varnish-7.0.1",
"varnish-7.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-23959.json"
}
}
],
"modified": "2026-10-28T02:30:25.101451069Z",
"provider": "osv",
"references": [
"https://docs.varnish-software.com/security/VSV00008/",
"https://varnish-cache.org/security/VSV00008.html",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/23xxx/CVE-2022-23959.json",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UMMDMQWNAE3BTSZUHXQHVAMZC5TLHLYT/",
"https://nvd.nist.gov/vuln/detail/CVE-2022-23959",
"https://www.debian.org/security/2022/dsa-5088",
"https://lists.debian.org/debian-lts-announce/2022/02/msg00014.html"
],
"provider_metadata": {
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/23xxx/CVE-2022-23959.json"
}
},
"related_cves": [
{
"value": "CVE-2022-23959",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 491699,
"published_at": "2022-01-26T00:38:55+00:00"
}