CVE-2021-22960: Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

November 3, 2021 (updated January 20, 2023)

The parse function in llhttp ignores chunk extensions when parsing the body of chunked requests. This leads to HTTP Request Smuggling (HRS) under certain conditions.

References

hackerone.com/reports/1238099
nvd.nist.gov/vuln/detail/CVE-2021-22960

Code Behaviors & Features

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