๐Ÿ” CVE Alert

CVE-2019-25220

HIGH 7.5
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th

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.

Vendor n/a
Product n/a
Published Nov 18, 2024
Last Updated Nov 18, 2024
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Affected Versions

n/a / n/a
n/a

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
en.bitcoin.it: https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures bitcoincore.org: https://bitcoincore.org/en/2024/09/18/disclose-headers-oom lists.linuxfoundation.org: https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2019-October/017354.html