REDHAT-BUG-2433059: High severity npm/react-server-dom-parcel vulnerability

Published Jan 26, 2026
·
Updated

Multiple denial of service vulnerabilities exist in React Server Components, affecting the following packages: react-server-dom-parcel, react-server-dom-turbopack, react-server-dom-webpack.

The vulnerabilities are triggered by sending specially crafted HTTP requests to Server Function endpoints, and could lead to server crashes, out-of-memory exceptions or excessive CPU usage; depending on the vulnerable code path being exercised, the application configuration and application code.

Strongly consider upgrading to the latest package versions to reduce risk and prevent availability issues in applications using React Server Components.

Affected Software

3 affected components
npm/react-server-dom-parcel
npm/react-server-dom-turbopack
npm/react-server-dom-webpack

Event History

Jan 26, 2026
Data Sourced
via Red Hat·08:02 PM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2433059?

The severity of REDHAT-BUG-2433059 is rated as high with a score of 7.

2

What may trigger the vulnerabilities in REDHAT-BUG-2433059?

The vulnerabilities in REDHAT-BUG-2433059 can be triggered by sending specially crafted HTTP requests to Server Function endpoints.

3

Which software packages are affected by REDHAT-BUG-2433059?

The software packages affected by REDHAT-BUG-2433059 include react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack.

4

What type of vulnerabilities are present in REDHAT-BUG-2433059?

REDHAT-BUG-2433059 contains multiple denial of service vulnerabilities.

5

How can I mitigate the risk associated with REDHAT-BUG-2433059?

To mitigate the risk of REDHAT-BUG-2433059, it is recommended to update the affected packages to the latest versions.

Contact

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