<ul><li>A vulnerability in Bitcoin Core versions before 25.0 allows remote shutdown attacks on over 13% of nodes.</li><li>The flaw is related to the handling of 'blocktxn' messages in the program.</li><li>The vulnerability was discovered by Niklas Gögge and fixed in Bitcoin Core version 25.0, released in May 2023.</li><li>Node operators are advised to upgrade to the latest version of Bitcoin Core to protect against this vulnerability.</li></ul>

Critical Bug in Bitcoin Core Exposes 13% of Nodes to Remote Shutdown

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