{"id":"BIT-node-2025-23167","details":"A flaw in Node.js 20's HTTP parser allows improper termination of HTTP/1 headers using `\\r\\n\\rX` instead of the required `\\r\\n\\r\\n`.\nThis inconsistency enables request smuggling, allowing attackers to bypass proxy-based access controls and submit unauthorized requests.\n\nThe issue was resolved by upgrading `llhttp` to version 9, which enforces correct header termination.\n\nImpact:\n* This vulnerability affects only Node.js 20.x users prior to the `llhttp` v9 upgrade.","aliases":["BIT-node-min-2025-23167","CVE-2025-23167"],"modified":"2025-05-21T06:28:28.744034Z","published":"2025-05-21T06:00:30.697Z","database_specific":{"cpes":["cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:*"],"severity":"Medium"},"references":[{"type":"WEB","url":"https://nodejs.org/en/blog/vulnerability/may-2025-security-releases"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-23167"}],"affected":[{"package":{"name":"node","ecosystem":"Bitnami","purl":"pkg:bitnami/node"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"20.19.2"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/node/BIT-node-2025-23167.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"}]}],"schema_version":"1.7.3"}