llhttp allows HTTP Request Smuggling via Flawed Parsing of Transfer-Encoding
The llhttp parser in the http module in Node.js v17.x does not correctly parse and validate Transfer-Encoding headers and can lead to HTTP Request Smuggling (HRS).
Impacts:
- All versions of the nodejs 18.x, 16.x, and 14.x releases lines.
- llhttp v6.0.7 and llhttp v2.1.5 contains the fixes that were updated inside Node.js
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | llhttp | < 6.0.7 | 6.0.7 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2022-32213
- https://github.com/nodejs/llhttp/commit/18a4afc7ffb4e49dc9e2daebc50588199a6d1dbb
- https://hackerone.com/reports/1524555
- https://cert-portal.siemens.com/productcert/pdf/ssa-332410.pdf
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2ICG6CSIB3GUWH5DUSQEVX53MOJW7LYK
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QCNN3YG2BCLS4ZEKJ3CLSUT6AS7AXTH3
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VMQK5L5SBYD47QQZ67LEMHNQ662GH3OY
- https://nodejs.org/en/blog/vulnerability/july-2022-security-releases
- https://security.netapp.com/advisory/ntap-20220915-0001
- https://www.debian.org/security/2023/dsa-5326
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N- Weakness (CWE)
CWE-444- Platform
- npm
- Package
llhttp- Disclosed
- 15.07.2022
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-5689-v88g-g6rv - CC BY 4.0
Vulnerability history: llhttp
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 3
- First → latest
- 07.2022 07.2023
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 2
- High 1
Disclosures per year
- 2022: 2
- 2023: 1
- 2024: 0
- 2025: 0
- 2026: 0
-
llhttp allows HTTP Request Smuggling via Flawed Parsing of Transfer-Encoding this entry
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