CVE-2024-55563 Information

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.

Reference

https://ariard.github.io https://bitcoincore.org https://delvingbitcoin.org/t/full-disclosure-transaction-relay-throughput-overflow-attacks-against-off-chain-protocols/1305 https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures https://gnusha.org/pi/bitcoindev/CALZpt+EptER=p+P7VN3QAb9n=dODA9_LnR9xZwWpRsdAwedv=w@mail.gmail.com/T/#u