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.
This Cyber News was published on www.tenable.com. Publication date: Mon, 18 Nov 2024 09:11:03 +0000