The llhttp parser <v14.20.1, <v16.17.1 and <v18.9.1 in the http module in Node.js does not correctly parse and validate Transfer-Encoding headers and can lead to HTTP Request Smuggling (HRS).
https://www.debian.org/security/2023/dsa-5326
https://nodejs.org/en/blog/vulnerability/july-2022-security-releases/
https://hackerone.com/reports/1524555
https://cert-portal.siemens.com/productcert/pdf/ssa-332410.pdf