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CVE-2019-25220

—
CVSS 3.1
7.5 high
EPSS
<1%p55
Published
()
Modified
Description

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.

Vendors
bitcoin
Products
bitcoin core
Weakness
CWE-770
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVE.org GitHub PoCs EPSS (0.8%)

In the news

No ingested article mentions this CVE yet.