#security-alert2 articles

2 articles

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.

CryptoBearishEthereum Foundation Blog · Sep 37/101

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Security Alert – [Implementation bug in Go clients causing increase in difficulty – Fixed – Miners check and update Go clients]

A critical implementation bug in Go client versions v1.0.x and v1.1.x is causing difficulty to increase steadily regardless of actual hashing power. All miners using affected Go client versions need to immediately check and update their software to prevent continued network disruption.