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    Home » Security Alert – Geth suffers from a very low probable DoS attack vector – Update immediately
    Ethereum

    Security Alert – Geth suffers from a very low probable DoS attack vector – Update immediately

    Sophia BrownBy Sophia BrownJanuary 31, 2025No Comments1 Min Read
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    Affected configurations: All Go client versions 

    Likelihood: Very low

    Severity: High

    Details: A bug in Geth (and potentially other clients) may suffer from a DoS attack and allows remote attackers to stall synchronisation process almost indefinitely by supplying a valid, lighter chain. More information will be given out a later time including the report that was submitted through the bug bounty program.

    Effects on expected chain reorganisation depth: None

    Proposed temporary workaround: None

    Remedial action taken by Ethereum: Provision of hotfixes as below:

    If you’re using Mist: download the updated binary from the release page

    If using the PPA: sudo apt-get update then sudo apt-get upgrade

    If using brew: brew update then brew reinstall ethereum

    If using a windows binary: download the updated binary from the release page

    If you are building from source: git pull followed by make geth (please use the Master branch 94ad694a26ca3f7776ec8240802596755e5d5c0a)



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