HTTP Request Smuggling (HRS) Vulnerability in llhttp < 2.1.4 and < 6.0.6

HTTP Request Smuggling (HRS) Vulnerability in llhttp < 2.1.4 and < 6.0.6

CVE-2021-22960 · MEDIUM Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

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.

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