CVE-2024-55563
Last modified
CVE-2024-55563 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.63% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Bitcoin | Bitcoin Core | <= 27.2 |
References
- https://ariard.github.ioThird Party Advisory
- https://bitcoincore.orgProduct
- https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_ExposuresThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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