CVE-2021-22959

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Source
https://cve.org/CVERecord?id=CVE-2021-22959
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-22959.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-22959
Downstream
Related
Published
2021-11-15T15:15:06.747Z
Modified
2026-02-03T21:14:50.569823Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N CVSS Calculator
Summary
[none]
Details

The parser in accepts requests with a space (SP) right after the header name before the colon. This can lead to HTTP Request Smuggling (HRS) in llhttp < v2.1.4 and < v6.0.6.

References

Affected packages

Git / github.com/nodejs/llhttp

Affected ranges

Type
GIT
Repo
https://github.com/nodejs/llhttp
Events
Introduced
c6a35cccf5c8b36f82036c23cf9c50a7dc2dbd0a
Fixed
69d6db2008508489d19267a0dcab30602b16fc5b
Fixed
d6ea943d8d1c5092f4bf6e10a6a32cfb2dbeaae3

Affected versions

v3.*
v3.0.0
v4.*
v4.0.0
v5.*
v5.0.0
v5.1.0
v6.*
v6.0.0
v6.0.1
v6.0.2
v6.0.3
v6.0.4
v6.0.5

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-22959.json"