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cvelistHackeroneCVELIST:CVE-2021-22959
HistoryNov 15, 2021 - 2:45 p.m.

CVE-2021-22959

2021-11-1514:45:16
CWE-444
hackerone
www.cve.org
6
parser
llhttp
requests
space
colon
http request smuggling

AI Score

7.4

Confidence

High

EPSS

0.005

Percentile

76.3%

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.

CNA Affected

[
  {
    "product": "https://github.com/nodejs/llhttp",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Fixed in llhttp v2.1.4 and v6.0.6"
      }
    ]
  }
]