CVE-2024-55563

Published Dec 9, 2024 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
Bitcoin Core through 27.2 allows transaction-relay jamming via an off-chain protocol attack, a related issue to CVE-2024-52913. For example, the outcome of an HTLC (Hashed Timelock Contract) can be changed because a flood of transaction traffic prevents propagation of certain Lightning channel transactions.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-52810 Bitcoin Core through 27.2 allows transaction-relay jamming via an off-chain protocol attack, a related issue to CVE-2024-52913. For example, the outcome of an HTLC (Hashed Timelock Contract) can be changed because a flood of transaction traffic prevents propagation of certain Lightning channel transactions.
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00045}

epss

{'score': 0.00051}

Type Values Removed Values Added
First Time appeared Bitcoin
Bitcoin bitcoin Core
CPEs cpe:2.3:a:bitcoin:bitcoin_core:*:*:*:*:*:*:*:*
Vendors & Products Bitcoin
Bitcoin bitcoin Core
Type Values Removed Values Added
Weaknesses CWE-770
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Bitcoin Core through 27.2 allows transaction-relay jamming via an off-chain protocol attack, a related issue to CVE-2024-52913. For example, the outcome of an HTLC (Hashed Timelock Contract) can be changed because a flood of transaction traffic prevents propagation of certain Lightning channel transactions.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Mar 4, 2025, 9:33 PM
Reserved
Dec 9, 2024, 12:00 AM
Status
Analyzed
Published
Dec 9, 2024, 1:15 AM
Modified
Jun 17, 2026, 8:11 AM