Bug 2467287 (CVE-2026-23870)

Summary: CVE-2026-23870 react-server-dom-webpack: react-server-dom-parcel: react-server-dom-turbopack: React Server DOM: Denial of Service via specially crafted HTTP requests
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: jkoehler, lphiri
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in the React Server DOM components, including react-server-dom-webpack, react-server-dom-parcel, and react-server-dom-turbopack. A remote attacker could exploit this denial of service (DoS) vulnerability by sending specially crafted HTTP requests to server function endpoints. This could lead to server crashes, out-of-memory exceptions, or excessive CPU usage, severely impacting the availability of the affected system.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-05-06 17:01:42 UTC
A denial of service vulnerability could be triggered by sending specially crafted HTTP requests to server function endpoints, this could lead to server crashes, out-of-memory exceptions or excessive CPU usage; affecting the following packages: react-server-dom-webpack, react-server-dom-parcel, react-server-dom-turbopack (versions 19.0.0 through 19.0.5, 19.1.0 through 19.1.6, and 19.2.0 through 19.2.5).