Home/CVE/The llhttp parser <v14.20.1, <v16.17.1 and <v18.9.1 in the http module in Node.js does not correctly parse and validate
CVE

CVE-2022-32213

The llhttp parser <v14.20.1, <v16.17.1 and <v18.9.1 in the http module in Node.js does not correctly parse and validate

The llhttp parser <v14.20.1, <v16.17.1 and <v18.9.1 in the http module in Node.js does not correctly parse and validate Transfer-Encoding headers and can lead to HTTP Request Smuggling (HRS).

MEDIUM · CVSS 6.5 EPSS 0.86318
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 1% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-444Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
CWE-444Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
▤

Affected Products & Versions

11
llhttp< 2.1.5
llhttp>= 6.0.0 and < 6.0.7
nodejs node.js>= 14.0.0 and <= 14.14.0
nodejs node.js>= 14.15.0 and < 14.20.1
nodejs node.js>= 16.0.0 and <= 16.12.0
nodejs node.js>= 16.13.0 and < 16.17.1
nodejs node.js>= 18.0.0 and < 18.9.1
fedoraproject fedoraall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm llhttp CRITICAL fixed in 6.0.7
⚠

Public Exploits & PoCs

1
pochackerone.com · 1524555hackerone.com
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · support@hackerone.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Jul 2022 · 03:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
⚑

Vendor Advisories

30
suse-csafopenSUSE-SU-2025:15095-1
suse-csafopenSUSE-SU-2024:12199-1
suse-csafopenSUSE-SU-2024:12349-1
suse-csafopenSUSE-SU-2024:12408-1
usnUSN-6491-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cert-portal.siemens.com/productcert/pdf/ssa-332410.pdfPatchThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ICG6CSIB3GUWH5DUSQEVX53MOJW7LYK/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QCNN3YG2BCLS4ZEKJ3CLSUT6AS7AXTH3/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VMQK5L5SBYD47QQZ67LEMHNQ662GH3OY/
https://nodejs.org/en/blog/vulnerability/july-2022-security-releases/PatchVendor Advisory
https://www.debian.org/security/2023/dsa-5326Third Party Advisory
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