Unrated severityNVD Advisory· Published Nov 18, 2024· Updated Nov 18, 2024
CVE-2019-25220
CVE-2019-25220
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.
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Affected products
2- Bitcoin Core/Bitcoin Coredescription
- Range: <24.0.1
Patches
Vulnerability mechanics
References
3News mentions
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