CVE-2023-23936

Undici is an HTTP/1.1 client for Node.js. Starting with version 2.0.0 and prior to version 5.19.1, the undici library does not protect `host` HTTP header from CRLF injection vulnerabilities. This issue is patched in Undici v5.19.1. As a workaround, sanitize the `headers.host` string before passing to undici.

Score

CVSS 3.1 6.5 Medium

Status

Modified - security-advisories@github.com

Published

2023-02-16

Last modified

2025-03-10

Weaknesses

CWE-74, CWE-93

Affected products

• Node.js (Nodejs)
• Undici (Nodejs)

References

• https://github.com/nodejs/undici/commit/a2eff05401358f6595138df963837c24348f2034
• https://github.com/nodejs/undici/releases/tag/v5.19.1
• https://github.com/nodejs/undici/security/advisories/GHSA-5r9g-qh6m-jxff
• https://hackerone.com/reports/1820955