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.

INFO

Published Date :

2024-11-18T00:00:00.000Z

Last Modified :

2024-11-18T16:28:52.209Z

Source :

mitre
AFFECTED PRODUCTS

The following products are affected by CVE-2019-25220 vulnerability.

Vendors Products
Bitcoin
  • Bitcoin Core
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2019-25220.

URL Resource
https://bitcoincore.org/en/2024/09/18/disclose-headers-oom cve-icon cve-icon
https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures cve-icon cve-icon
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2019-October/017354.html cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
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