Description
A denial of service vulnerability exists in React Server Components, affecting the following packages: react-server-dom-parcel, react-server-dom-turbopack and react-server-dom-webpack (versions 19.0.0 through 19.0.4, 19.1.0 through 19.1.5, and 19.2.0 through 19.2.4). The vulnerability is triggered by sending specially crafted HTTP requests to Server Function endpoints.The payload of the HTTP request causes excessive CPU usage for up to a minute ending in a thrown error that is catchable.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected products
- Meta / react-server-dom-parcel19.0.0 – 19.0.4
- Meta / react-server-dom-parcel19.1.0 – 19.1.5
- Meta / react-server-dom-parcel19.2.0 – 19.2.4
- Meta / react-server-dom-turbopack19.0.0 – 19.0.4
- Meta / react-server-dom-turbopack19.1.0 – 19.1.5
- Meta / react-server-dom-turbopack19.2.0 – 19.2.4
- Meta / react-server-dom-webpack19.0.0 – 19.0.4
- Meta / react-server-dom-webpack19.1.0 – 19.1.5
- Meta / react-server-dom-webpack19.2.0 – 19.2.4