#VU119893 Deserialization of Untrusted Data in React - CVE-2025-67779
Published: December 12, 2025
Vulnerability identifier: #VU119893
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-67779
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
React
React
Software vendor:
Facebook Inc.
Facebook Inc.
Description
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to insecure input validation when processing serialized data. A remote attacker can send a specially crafted HTTP request, which can cause an infinite loop and prevent future HTTP requests from being served, leading to a denial of service condition.
The vulnerability affects the following components:
- react-server-dom-webpack (Meta)
- react-server-dom-turbopack (Meta)
- react-server-dom-parcel (Meta)
Remediation
Install updates from vendor's website.