The llhttp parser in the http module in Node v20.2.0 does not strictly use the CRLF sequence to delimit HTTP requests. This can lead to HTTP Request Smuggling (HRS). The CR character (without LF) is sufficient to delimit HTTP header fields in the llhttp parser. According to RFC7230 section 3, only the CRLF sequence should delimit each header-field. This impacts all Node.js active versions: v16, v18, and, v20
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cve-icon MITRE Information

Status: PUBLISHED

Assigner: hackerone

Published: 2023-06-30T23:39:59.161Z

Updated: 2023-06-30T23:39:59.161Z

Reserved: 2023-04-13T01:00:12.086Z


Link: CVE-2023-30589

JSON object: View

cve-icon NVD Information

Status : Modified

Published: 2023-07-01T00:15:10.293

Modified: 2024-06-21T19:15:26.617


Link: CVE-2023-30589

JSON object: View

cve-icon Redhat Information

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