{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46679","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-05-15T21:46:51.547Z","datePublished":"2026-06-10T21:08:52.464Z","dateUpdated":"2026-06-11T14:18:41.039Z"},"containers":{"cna":{"title":"libp2p: Memory DoS via subscription flood of unique topics","problemTypes":[{"descriptions":[{"cweId":"CWE-20","lang":"en","description":"CWE-20: Improper Input Validation","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-400","lang":"en","description":"CWE-400: Uncontrolled Resource Consumption","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-401","lang":"en","description":"CWE-401: Missing Release of Memory after Effective Lifetime","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/libp2p/js-libp2p/security/advisories/GHSA-4f8r-922h-2vgv","tags":["x_refsource_CONFIRM"],"url":"https://github.com/libp2p/js-libp2p/security/advisories/GHSA-4f8r-922h-2vgv"}],"affected":[{"vendor":"libp2p","product":"js-libp2p","versions":[{"version":"< 15.0.23","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-06-10T21:08:52.464Z"},"descriptions":[{"lang":"en","value":"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."}],"source":{"advisory":"GHSA-4f8r-922h-2vgv","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/libp2p/js-libp2p/security/advisories/GHSA-4f8r-922h-2vgv","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-11T14:18:10.380346Z","id":"CVE-2026-46679","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-11T14:18:41.039Z"}}]}}