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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-46679

libp2p: Memory DoS via subscription flood of unique topics

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

libp2p js-libp2p

  • < 15.0.23affected

References