high7.5
CVE-2026-46679
libp2p is a JavaScript Implementation of libp2p networking stack.
Impact
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
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | @libp2p/gossipsub | <= 15.0.22 | 15.0.23 |