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  1. CVEs
  2. CVE-2024-55563
  1. CVEs

CVE-2024-55563

medium
  • Information
  • CPEs
  • Plugins

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

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https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures

https://ariard.github.io

https://gnusha.org/pi/bitcoindev/CALZpt+EptER=p+P7VN3QAb9n=dODA9_LnR9xZwWpRsdAwedv=w@mail.gmail.com/T/#u

https://delvingbitcoin.org/t/full-disclosure-transaction-relay-throughput-overflow-attacks-against-off-chain-protocols/1305

https://bitcoincore.org

Details

Source: Mitre, NVD

Published: 2024-12-09

Updated: 2025-05-22

CVSS v3

Base Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Severity: Medium

EPSS

EPSS: 0.00064

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