CVE-2021-22960

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-444

Affected software

No affected versions have been published.

Timeline

Published: Nov 3, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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