---
title: "Regular Expression Denial of Service in Headers"
system_id: "undici"
category: "frameworks"
advisory_mode: "core"
published_date: "2023-02-16T20:46:10Z"
updated_date: "2023-11-08T04:11:48.635999Z"
severity: "high"
exploit_status: "unknown"
source_confidence: "official"
verification_status: "triage-manual"
verification_mode: "synthetic"
artifact_mode: "synthetic"
last_run_id: ""
target_types:
  - "lab-local"
  - "lab-public"
  - "authorized-third-party"
allow_public_validation: "yes, with ownership or explicit authorization"
authorization_prerequisite: "asset ownership proof or explicit written authorization"
minimal_validation: "read-only probe, controlled payload, reversible test"
aliases:
  - "CVE-2023-24807"
  - "GHSA-r6ch-mqf9-qc9w"
affected_versions:
  - "introduced=0, fixed<5.19.1"
fixed_versions:
  - "5.19.1"
secure_code_topics:
  - "ssrf-url-validation"
  - "proxy-trust-boundary"
primary_source: "https://github.com/nodejs/undici/security/advisories/GHSA-r6ch-mqf9-qc9w"
---

# Regular Expression Denial of Service in Headers

## 本地实证状态

- 实证状态: `triage-manual`
- 实证方式: `synthetic`
- Artifact 模式: `synthetic`
- 最近运行: `-`
- 浏览器证据: `missing`
- Run Bundle: `-`

## 事件层

- Canonical ID: `undici--CVE-2023-24807`
- 系统: `undici`
- 严重度: `high`
- 来源置信度: `official`
- 官方主源: https://github.com/nodejs/undici/security/advisories/GHSA-r6ch-mqf9-qc9w
- 影响版本: `introduced=0, fixed<5.19.1`
- 修复版本: `5.19.1`

## 其他来源

- https://github.com/nodejs/undici/commit/f2324e549943f0b0937b09fb1c0c16cc7c93abdf
- https://nvd.nist.gov/vuln/detail/CVE-2023-24807
- https://github.com/nodejs/undici
- https://github.com/nodejs/undici/releases/tag/v5.19.1
- https://hackerone.com/bugs?report_id=1784449
- https://security.netapp.com/advisory/ntap-20230324-0010/

## 实验层

- 仅用于自有资产、测试环境或已明确授权目标。
- 允许公网可达目标，但必须满足资产归属或明确授权前提。
- 最小化验证方式: 最小化验证、只读探测、可审计回显、受控注入。
- 若该案例涉及插件、模块或扩展，应同时检查供应链与升级策略。
- 禁止场景: 无归属证明或无明确授权的公网目标；知名公共网站或与测试无关的第三方资产；会造成持久破坏、数据越权下载或不可回滚影响的动作

## 修复示例

- [javascript-typescript:ssrf-url-validation](/Users/x/websafe/05-defense/secure-code/javascript-typescript/ssrf-url-validation.md)
- [nodejs:ssrf-url-validation](/Users/x/websafe/05-defense/secure-code/nodejs/ssrf-url-validation.md)
- [java:ssrf-url-validation](/Users/x/websafe/05-defense/secure-code/java/ssrf-url-validation.md)
- [php:ssrf-url-validation](/Users/x/websafe/05-defense/secure-code/php/ssrf-url-validation.md)
- [python:ssrf-url-validation](/Users/x/websafe/05-defense/secure-code/python/ssrf-url-validation.md)
- [ruby:ssrf-url-validation](/Users/x/websafe/05-defense/secure-code/ruby/ssrf-url-validation.md)
- [csharp:ssrf-url-validation](/Users/x/websafe/05-defense/secure-code/csharp/ssrf-url-validation.md)
- [go:ssrf-url-validation](/Users/x/websafe/05-defense/secure-code/go/ssrf-url-validation.md)
- [javascript-typescript:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/javascript-typescript/proxy-trust-boundary.md)
- [nodejs:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/nodejs/proxy-trust-boundary.md)
- [java:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/java/proxy-trust-boundary.md)
- [php:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/php/proxy-trust-boundary.md)
- [python:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/python/proxy-trust-boundary.md)
- [ruby:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/ruby/proxy-trust-boundary.md)
- [csharp:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/csharp/proxy-trust-boundary.md)
- [go:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/go/proxy-trust-boundary.md)