Bitcoin Core Breaks Silence on Three Patched Security Vulnerabilities

Bitcoin Core developers have revealed three key security vulnerabilities, including a high-severity flaw that could potentially disrupt the mining capabilities of the Bitcoin network, preventing miners from creating new blocks. As revealed in security advisories published on Nov. 10, the vulnerabilities impacted various elements of the Bitcoin Core software that powers many nodes underpinning the world's leading cryptocurrency. One of the vulnerabilities, titled CVE-2025-62861, was rated as a high-severity issue due to its potential effect on Bitcoin miners. The bug has the potential to create problems after a blockchain reorganization, which is when previously accepted blocks are replaced by the network with an alternative chain. More precisely, the issue could cause an inconsistent state in the node's mempool, where all unconfirmed transactions are stored. It was first reported on Sept.

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