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25 November 2020

Vulnerabilities first published on this day (UTC), newest first.

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  • Medium 5.3
    CVE-2020-26240

    Erroneous Proof of Work calculation in geth

    Go Ethereum, or "Geth", is the official Golang implementation of the Ethereum protocol. An ethash mining DAG generation flaw in Geth before version 1.9.24 could cause miners to erroneously calculate PoW in an upcoming epoch (estimated early January, 2021). Th…

    ethereum go-ethereum github.com/ethereum/go-ethereum Go
  • Medium 6.5
    CVE-2020-26241

    Shallow copy bug in geth

    Go Ethereum, or "Geth", is the official Golang implementation of the Ethereum protocol. This is a Consensus vulnerability in Geth before version 1.9.17 which can be used to cause a chain-split where vulnerable nodes reject the canonical chain. Geth's pre-comp…

    ethereum go-ethereum github.com/ethereum/go-ethereum Go
  • Medium 6.5
    CVE-2020-26242

    Denial of service in geth

    Go Ethereum, or "Geth", is the official Golang implementation of the Ethereum protocol. In Geth before version 1.9.18, there is a Denial-of-service (crash) during block processing. This is fixed in 1.9.18.

    ethereum go-ethereum github.com/ethereum/go-ethereum github.com/holiman/uint256 Go