The Paradigm Reth Client Vulnerability Causes Temporary Disruption of Multiple Ethereum Nodes

By: theblockbeats.news|2025/09/03 16:32:16

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BlockBeats News, September 3rd, according to The Block, Georgios Konstantopoulos, Chief Technology Officer of the cryptocurrency venture capital firm Paradigm, stated that a program flaw exists in Reth, the Ethereum execution client developed by the company, causing nodes relying on this client to stall.

According to Paradigm's announcement on GitHub, the vulnerability was triggered at block height 2327426, affecting Ethereum mainnet versions 1.6.0 and 1.4.8. Although Konstantopoulos has released a series of instructions to help operators recover Reth nodes, Paradigm is still investigating the root cause of the vulnerability.

Reth is an Ethereum execution layer client developed by Paradigm using the Rust programming language, designed with a focus on high performance and modularity. An execution client is a software application that processes transactions and applies state updates used to compute the state root. The state root is used to validate the integrity of the blockchain's global state, such as account balances and smart contract data. An incorrect state root computation can cause nodes to be unable to validate incoming blocks, hindering their synchronization with the network.

However, according to Ethernodes data, since Reth represents only 5.4% of the total execution layer client count, this vulnerability appears to have affected only a small portion of nodes running on the Ethereum network.

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