CVE-2025-55184

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-55184
StatePUBLISHED
AssignerMeta
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-12-11 20:16:00 UTC
Updated2026-10-07 20:10:01 UTC
DescriptionA pre-authentication denial of service vulnerability exists in React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. The vulnerable code unsafely deserializes payloads from HTTP requests to Server Function endpoints, which can cause an infinite loop that hangs the server process and may prevent future HTTP requests from being served.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-502 | (CWE-502) Deserialization of Untrusted Data. (CWE-400) Uncontrolled Resource Consumption

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1CNACVSS7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Facebook React All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Meta React-server-dom-webpack affected 19.0.0 19.0.1 semver Not specified
CNA Meta React-server-dom-webpack affected 19.1.0 19.1.2 semver Not specified
CNA Meta React-server-dom-webpack affected 19.2.0 19.2.1 semver Not specified
CNA Meta React-server-dom-turbopack affected 19.0.0 19.0.1 semver Not specified
CNA Meta React-server-dom-turbopack affected 19.1.0 19.1.2 semver Not specified
CNA Meta React-server-dom-turbopack affected 19.2.0 19.2.1 semver Not specified
CNA Meta React-server-dom-parcel affected 19.0.0 19.0.1 semver Not specified
CNA Meta React-server-dom-parcel affected 19.1.0 19.1.2 semver Not specified
CNA Meta React-server-dom-parcel affected 19.2.0 19.2.1 semver Not specified

References

ReferenceSourceLinkTags
github.com/KingHacker353/CVE-2025-55184 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
www.facebook.com/security/advisories/cve-2025-55184 [email protected] www.facebook.com Vendor Advisory
react.dev/blog/2025/12/11/denial-of-service-and-source-code-exposure-in... [email protected] react.dev Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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