CryptoBearishEthereum Foundation Blog · Nov 257/102
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Security alert [11/24/2016]: Consensus bug in geth v1.4.19 and v1.5.2
A critical consensus bug was discovered in Geth versions v1.4.19 and v1.5.2 related to the journaling mechanism, causing an Ethereum network fork at block #2686351 on November 24, 2016. This represents a high-severity security issue affecting Ethereum's consensus layer and network stability.