Threats Tagged 'cve-2026-52734'
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Threats Tagged 'cve-2026-52734'
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GHSA-65jj-fmw8-468q: zebrad has unbounded memory leak in mempool download pipeline via timeout path cancel_handles retentionCVE-2026-52734 0 zebrad versions up to and including 4.4.1 have an unbounded memory leak in the mempool download pipeline. The leak occurs because transaction entries are retained indefinitely when verification times out, due to missing cleanup of timed-out entries. This causes memory usage to grow monotonically with no garbage collection, potentially leading to out-of-memory termination. The issue affects nodes accepting inbound P2P connections with active mempools. There is no configuration workaround; restarting the node clears the leak. The leak rate can reach approximately 685 KB/s per connection, requiring sustained traffic over hours to exhaust typical server memory. No consensus, fund loss, or on-disk corruption impact is reported. Join the discussion | GCVE Database | 07/02/2026, 20:12:35 UTC Added: 07/02/2026, 22:56:53 UTC |
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