CVE-2025-67779: Denial of Service Vulnerability in React Server Components
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.
References
- github.com/advisories/GHSA-7gmr-mq3h-m5h9
- github.com/facebook/react
- github.com/facebook/react/security/advisories/GHSA-2m3v-v2m8-q956
- github.com/facebook/react/security/advisories/GHSA-7gmr-mq3h-m5h9
- nvd.nist.gov/vuln/detail/CVE-2025-67779
- react.dev/blog/2025/12/11/denial-of-service-and-source-code-exposure-in-react-server-components
Code Behaviors & Features
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