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
Detect and mitigate CVE-2025-67779 with GitLab Dependency Scanning
Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →