github Concordium/concordium-node 10.0.11-5-rc
10.0.11

2 hours ago

Includes a number of security bug fixes

Changes

  • Fix security bug where V1 contract-state query entry-size and entry-read resulted in a variable amount of work, but for a fixed energy cost. The fix ensures the query runs in same time-complexity as the energy charged.
  • Add a per-peer queued inbound consensus byte backpressure threshold, alongside the existing per-peer queued message limit, to bound retained queue memory from aggressively sending peers.
    The new threshold is configurable with --queued-bytes-per-peer-threshold / CONCORDIUM_NODE_CONNECTION_QUEUED_BYTES_PER_PEER_THRESHOLD.
  • Expose Prometheus counters for byte-threshold (consensus_inbound_peer_queue_byte_threshold_delays_total) and message-count (consensus_inbound_peer_queue_message_count_limit_delays_total) backpressure events.
  • Fix a bug where update credentials transactions with an empty AR map would be accepted by the node.
  • Improve handling of huge timeouts scheduled in timers.
  • Reject blocks received with a timestamp that is too far in the future compared to a fixed threshold.

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