Bug 2421678 (CVE-2025-67779) - CVE-2025-67779 next: React Server Components: Denial of Service via Unsafe Deserialization
Summary: CVE-2025-67779 next: React Server Components: Denial of Service via Unsafe De...
Keywords:
Status: NEW
Alias: CVE-2025-67779
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-12-12 00:01 UTC by OSIDB Bzimport
Modified: 2026-01-03 08:28 UTC (History)
13 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2025-12-12 00:01:51 UTC 
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.
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