Summary
Zcash Foundation released Zebra 4.4.0 to address critical consensus-level vulnerabilities and denial-of-service flaws that could lead to chain forks and permanent node halts.
Take Action:
If you operate a Zebra node, upgrade to version 4.4.0 ASAP, as there are no workarounds for the consensus-level flaws that could push your node onto an invalid chain. After upgrading, verify that your RPC cookie file has 0600 permissions to block unauthorized local access.
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This article was originally published on BeyondMachines
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