A pre-authentication denial of service vulnerability exists in React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. The vulnerable code unsafely deserializes payloads from HTTP requests to Server Function endpoints, which can cause an infinite loop that hangs the server process and may prevent future HTTP requests from being served.
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-2m3v-v2m8-q956 Denial of Service Vulnerability in React Server Components
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 12 Dec 2025 18:30:00 +0000

Type Values Removed Values Added
First Time appeared Facebook react
Vercel
Vercel next.js
Weaknesses CWE-502
CPEs cpe:2.3:a:facebook:react:*:*:*:*:*:*:*:*
cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:-:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary0:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary10:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary11:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary12:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary13:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary14:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary15:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary16:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary17:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary18:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary19:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary1:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary20:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary21:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary22:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary23:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary24:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary25:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary26:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary27:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary28:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary29:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary2:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary30:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary31:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary32:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary33:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary34:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary35:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary36:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary37:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary38:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary39:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary3:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary40:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary41:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary42:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary43:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary44:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary45:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary46:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary47:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary48:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary49:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary4:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary50:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary51:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary52:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary53:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary54:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary55:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary56:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary57:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary58:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary59:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary5:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary6:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary7:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary8:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:15.6.0:canary9:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:16.1.0:-:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:16.1.0:canary0:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:16.1.0:canary10:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:16.1.0:canary11:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:16.1.0:canary12:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:16.1.0:canary13:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:16.1.0:canary14:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:16.1.0:canary15:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:16.1.0:canary16:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:16.1.0:canary17:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:16.1.0:canary18:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:16.1.0:canary1:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:16.1.0:canary2:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:16.1.0:canary3:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:16.1.0:canary4:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:16.1.0:canary5:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:16.1.0:canary6:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:16.1.0:canary7:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:16.1.0:canary8:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:16.1.0:canary9:*:*:*:node.js:*:*
Vendors & Products Facebook react
Vercel
Vercel next.js

Fri, 12 Dec 2025 09:00:00 +0000

Type Values Removed Values Added
First Time appeared Facebook
Facebook react-server-dom-parcel
Facebook react-server-dom-turbopack
Facebook react-server-dom-webpack
Vendors & Products Facebook
Facebook react-server-dom-parcel
Facebook react-server-dom-turbopack
Facebook react-server-dom-webpack

Thu, 11 Dec 2025 20:15:00 +0000

Type Values Removed Values Added
Description A pre-authentication denial of service vulnerability exists in React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. The vulnerable code unsafely deserializes payloads from HTTP requests to Server Function endpoints, which can cause an infinite loop that hangs the server process and may prevent future HTTP requests from being served.
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Meta

Published:

Updated: 2025-12-11T20:11:26.262Z

Reserved: 2025-08-08T18:21:47.119Z

Link: CVE-2025-55184

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2025-12-11T20:16:00.610

Modified: 2025-12-12T18:18:29.827

Link: CVE-2025-55184

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-12T08:49:20Z

Weaknesses