CVE-2026-46679
Published:June 10, 2026
Updated:June 11, 2026
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.
Affected Packages
https://github.com/libp2p/js-libp2p.git (GITHUB):
Affected version(s) >=gossipsub-v15.0.0 <gossipsub-v15.0.23Fix Suggestion:
Update to version gossipsub-v15.0.23@libp2p/gossipsub (NPM):
Affected version(s) >=14.1.1 <15.0.23Fix Suggestion:
Update to version 15.0.23@libp2p/gossipsub (NPM):
Affected version(s) >=14.1.1 <15.0.23Fix Suggestion:
Update to version 15.0.23Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
EPSS
Base Score:
0.06