Denial of Service Vulnerability in React Server Components
Impact
It was found that the fix to address CVE-2025-55184 in React Server Components was incomplete and does not prevent a denial of service attack in a specific case.
We recommend updating immediately.
The vulnerability exists in versions 19.0.2, 19.1.3, and 19.2.2 of:
These issues are present in the patches published on December 11th, 2025.
Patches
Fixes were back ported to versions 19.0.3, 19.1.4, and 19.2.3.
If you are using any of the above packages please upgrade to any of the fixed versions immediately.
If your app’s React code does not use a server, your app is not affected by this vulnerability. If your app does not use a framework, bundler, or bundler plugin that supports React Server Components, your app is not affected by this vulnerability.
References
See the blog post for more information and upgrade instructions.
Software afectado
Haz clic en una tecnología para ver todas sus vulnerabilidades.
| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Paquete de npm | react-server-dom-parcel | >= 19.0.2, < 19.0.3, >= 19.1.3, < 19.1.4, >= 19.2.2, < 19.2.3 | 19.0.3, 19.1.4, 19.2.3 |
| Paquete de npm | react-server-dom-turbopack | >= 19.0.2, < 19.0.3, >= 19.1.3, < 19.1.4, >= 19.2.2, < 19.2.3 | 19.0.3, 19.1.4, 19.2.3 |
| Paquete de npm | react-server-dom-webpack | >= 19.0.2, < 19.0.3, >= 19.1.3, < 19.1.4, >= 19.2.2, < 19.2.3 | 19.0.3, 19.1.4, 19.2.3 |
Referencias
- https://github.com/facebook/react/security/advisories/GHSA-2m3v-v2m8-q956
- https://github.com/facebook/react/security/advisories/GHSA-7gmr-mq3h-m5h9
- https://nvd.nist.gov/vuln/detail/CVE-2025-67779
- https://github.com/facebook/react
- https://react.dev/blog/2025/12/11/denial-of-service-and-source-code-exposure-in-react-server-components
- Vector CVSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Debilidad (CWE)
CWE-400, CWE-502- Plataforma
- npm
- Paquete
react-server-dom-parcel, react-server-dom-turbopack, react-server-dom-webpack- Publicada
- 12.12.2025
- Actualizado
- 11.10.2026 10:22
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-7gmr-mq3h-m5h9 - CC BY 4.0
Historial de vulnerabilidades: react-server-dom-webpack
Todas las vulnerabilidades publicadas de este paquete (Paquete de npm), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.
- Entradas en total
- 8
- Primera → última
- 12.2025 07.2026
- Sin corrección
- 0
- Explotada en ataques
- 1
Distribución por gravedad
- Crítica 1
- Alta 6
- Media 1
Divulgaciones por año
- 2025: 4
- 2026: 4
-
Denial of Service Vulnerability in React Server Components esta entrada
Identifica las vulnerabilidades de tu aplicación
Con la integración de DockRay y el inventario de software activado, DockRay compara las versiones notificadas de los componentes con las vulnerabilidades conocidas y avisa de las coincidencias confirmadas. La cobertura depende de la tecnología compatible y de los avisos disponibles.