CVE-2019-25220 - CVE House
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Status published Unknown CVE-2019-25220

Bitcoin Core before 24.0.1 allows remote attackers to cause a...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

bitcoin core
Vulnerable Versions:
0

Timeline

Official Publish: November 18th, 2024
Last Modified: November 18th, 2024
Added to House: July 20th, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.