Description
It was found that the fix addressing CVE-2025-55184 in React Server Components was incomplete and does not prevent a denial of service attack in a specific case. React Server Components versions 19.0.2, 19.1.3 and 19.2.2 are affected, allowing unsafe deserialization of payloads from HTTP requests to Server Function endpoints. This 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-502CWE-400CWE-502
Metadata
- Primary Vendor
- Published
- 12/12/2025
- Last Modified
- 12/12/2025
- 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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