Threats Tagged 'cve-2026-49866'
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Threats Tagged 'cve-2026-49866'
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CVE-2026-49866: CWE-770: Allocation of Resources Without Limits or Throttling in libp2p js-libp2pCVE-2026-49866 0 CVE-2026-49866 is a high-severity vulnerability in the JavaScript libp2p networking stack (js-libp2p) prior to version 16.0.0. The issue arises because the default decoding limits for IHAVE and IWANT message ID arrays were set to Infinity, allowing excessively large control message arrays to be processed synchronously. This can cause the Node.js event loop to be blocked by iterating over roughly 180,000 message IDs in a 4 MB frame, resulting in a denial of service due to resource exhaustion. The vulnerability is fixed in version 16.0.0. Join the discussion | CVE Database V5 | 07/08/2026, 20:47:09 UTC Added: 07/08/2026, 21:15:33 UTC |
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