MediumFix available
nodejs — security advisory
The parse function in llhttp < 2.1.4 and < 6.0.6. ignores chunk extensions when parsing the body of chunked requests. This leads to HTTP Request Smuggling (HRS) under certain conditions.
- Products
- nodejs
- Affected versions
- Not specified
- Fixed versions
- 12.22.7~dfsg-1
- CVEs
- CVE-2021-22960
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:20 UTC · Revision 1
Source evidence
The parse function in llhttp < 2.1.4 and < 6.0.6. ignores chunk extensions when parsing the body of chunked requests. This leads to HTTP Request Smuggling (HRS) under certain conditions.
osv:DEBIAN-CVE-2021-22960
nodejs
Fixed versions: 12.22.7~dfsg-1
nodejs
Fixed versions: 12.22.7~dfsg-1
nodejs
Fixed versions: 12.22.7~dfsg-1
Complete source record
{
"id": "c179794c8bc237330bddce47c795d049b1e5bc2b9445b30b564f285fe178922a",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2021-22960",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2021-22960",
"summary": "The parse function in llhttp < 2.1.4 and < 6.0.6. ignores chunk extensions when parsing the body of chunked requests. This leads to HTTP Request Smuggling (HRS) under certain conditions.",
"evidence": "osv:DEBIAN-CVE-2021-22960",
"products": [
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"name": {
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"evidence": "/affected/0/package/name"
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"fixed_versions": [
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"value": "12.22.7~dfsg-1",
"evidence": "/affected/0/ranges"
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{
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"severity": "medium",
"structured": {
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"aliases": [
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"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"
}
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"affected": [
{
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"ecosystem": "Debian:12"
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{
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],
"package": {
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"purl": "pkg:deb/debian/nodejs?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
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},
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"package": {
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},
"database_specific": {
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},
"ecosystem_specific": {
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}
}
],
"modified": "2026-10-23T18:03:11.839695687Z",
"provider": "osv",
"upstream": [
"CVE-2021-22960"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2021-22960"
]
},
"related_cves": [
{
"value": "CVE-2021-22960",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 420771,
"published_at": "2021-11-03T20:15:08.247+00:00"
}