The following table lists the changes that have been made to the
CVE-2025-23167 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.
-
New CVE Received
by [email protected]May. 19, 2025
Action Type Old Value New Value Added Description A flaw in Node.js 20’s HTTP parser allows improper termination of HTTP/1 headers using `rnrX` instead of the required `rnrn`.
This inconsistency enables request smuggling, allowing attackers to bypass proxy-based access controls and submit unauthorized requests.The issue was resolved by upgrading `llhttp` to version 9, which enforces correct header termination.
Impact:
* This vulnerability affects only Node.js 20.x users prior to the `llhttp` v9 upgrade.Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N Added Reference https://nodejs.org/en/blog/vulnerability/may-2025-security-releases