CVE-2019-25220

Bitcoin Core before 24.0.1 allows remote attackers to cause a denial of service daemon crash via a flood of low-difficulty header chains aka a "Chain Width Expansion" attack because a node does not first verify that a presented chain has enough work before committing to store it...

Bitcoin Core 安全漏洞

Bitcoin Core is a Bitcoin open source client for verifying the validity of blockchain transactions. A security vulnerability exists in versions of Bitcoin Core prior to 24.0.1 that stems from a failure to verify that the provided chain has sufficient workload, allowing an attacker to cause a deni...