libp2p is a JavaScript Implementation of libp2p networking stack. Prior to version 15.0.23, three cooperating omissions in @libp2p/gossipsub allow an unauthenticated single peer to exhaust the Node.js heap of any gossipsub node with default options. This issue has been patched in version 15.0.23.

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Vendors Products
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-4f8r-922h-2vgv js-libp2p: Memory DoS via subscription flood of unique topics
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 11 Jun 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 11 Jun 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Libp2p
Libp2p libp2p
Vendors & Products Libp2p
Libp2p libp2p

Wed, 10 Jun 2026 21:45:00 +0000

Type Values Removed Values Added
Description libp2p is a JavaScript Implementation of libp2p networking stack. Prior to version 15.0.23, three cooperating omissions in @libp2p/gossipsub allow an unauthenticated single peer to exhaust the Node.js heap of any gossipsub node with default options. This issue has been patched in version 15.0.23.
Title libp2p: Memory DoS via subscription flood of unique topics
Weaknesses CWE-20
CWE-400
CWE-401
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-06-11T14:18:41.039Z

Reserved: 2026-05-15T21:46:51.547Z

Link: CVE-2026-46679

cve-icon Vulnrichment

Updated: 2026-06-11T14:18:32.272Z

cve-icon NVD

Status : Deferred

Published: 2026-06-10T22:17:00.300

Modified: 2026-06-11T16:16:23.663

Link: CVE-2026-46679

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-11T10:30:11Z

Weaknesses