Threats Tagged 'cve-2026-52732'
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Threats Tagged 'cve-2026-52732'
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GHSA-4fc2-h7jh-287c: zebrad has mempool transaction admission denial via single-peer inbound queue saturationCVE-2026-52732 0 zebrad versions up to and including 4.4.1 are vulnerable to a denial of service condition where a single unauthenticated inbound P2P peer can saturate all mempool transaction admission slots by advertising fake transaction IDs. This prevents honest peers and local RPC clients from submitting transactions to the mempool, although block validation and chain synchronization remain unaffected. The vulnerability arises from lack of per-peer slot accounting, no overload signaling, and no misbehavior attribution. The issue is fixed in zebrad 4.5.0 by adding per-peer queue limits and proper overload signaling. Join the discussion | GCVE Database | 07/02/2026, 19:39:02 UTC Added: 07/02/2026, 22:56:55 UTC |
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