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CVE-2024-55563

MEDIUM CVSS: 5.3 Published: 2024-12-09 Modified: 2026-06-17

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.

Affected Platforms

Bitcoin Bitcoin Core

Weakness Type

CWE-770

References