CVE-2023-30589 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

This post has been republished via RSS; it originally appeared at: MSRC Security Update Guide.

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