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.
CVSS Metrics
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- network
- Complexity
- low
- Privileges
- none
- User Action
- none
- Scope
- unchanged
- Confidentiality
- none
- Integrity
- none
- Availability
- high
- Weaknesses
- CWE-502
Metadata
- Primary Vendor
- Published
- 12/11/2025
- Last Modified
- 12/15/2025
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
facebook : reactfacebook : reactfacebook : reactvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.jsvercel : next.js
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