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    CVE-2025-67779

    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.

    Published:Dec 11, 2025
    Last Modified:Dec 12, 2025
    EPS:Dec 11, 2025
    EPSS Score:0.00036
    CVSS Score:7.5

    Affected Products

    Vendor
    Facebook
    Product
    React
    Vendor
    Facebook
    Product
    React-server-dom-parcel
    Vendor
    Facebook
    Product
    React-server-dom-turbopack
    Vendor
    Facebook
    Product
    React-server-dom-webpack
    Vendor
    Vercel
    Product
    Next.js

    Exploits

    No exploit reference

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High