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.
{
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/55xxx/CVE-2024-55563.json",
"unresolved_ranges": [
{
"extracted_events": [
{
"fixed": "27.2"
}
],
"source": "DESCRIPTION"
}
],
"cna_assigner": "mitre"
}{
"cpe": "cpe:2.3:a:bitcoin:bitcoin_core:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "27.2"
}
],
"source": "CPE_RANGE"
}