The llhttp parser <v14.20.1, <v16.17.1 and <v18.9.1 in the http module in Node.js does not correctly handle multi-line Transfer-Encoding headers. This can lead to HTTP Request Smuggling (HRS).
cert-portal.siemens.com/productcert/pdf/ssa-332410.pdf
hackerone.com/reports/1501679
lists.fedoraproject.org/archives/list/[email protected]/message/2ICG6CSIB3GUWH5DUSQEVX53MOJW7LYK/
lists.fedoraproject.org/archives/list/[email protected]/message/QCNN3YG2BCLS4ZEKJ3CLSUT6AS7AXTH3/
lists.fedoraproject.org/archives/list/[email protected]/message/VMQK5L5SBYD47QQZ67LEMHNQ662GH3OY/
nodejs.org/en/blog/vulnerability/july-2022-security-releases/
www.debian.org/security/2023/dsa-5326