High
Security advisory
Bitcoin Core before 24.1, when debug mode is not used, allows attackers to cause a denial of service (e.g., CPU consumption) because draining the inventory-to-send queue is inefficient, as exploited in the wild in May 2023.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2023-33297
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 5 Nov 2026, 03:34 UTC · Revision 1
Source evidence
Bitcoin Core before 24.1, when debug mode is not used, allows attackers to cause a denial of service (e.g., CPU consumption) because draining the inventory-to-send queue is inefficient, as exploited in the wild in May 2023.
osv:CVE-2023-33297
Complete source record
{
"id": "777569239bd7572c7ca0a01b83cf54b9d686ea025846d54da8fbc0b188b100f1",
"url": "https://osv.dev/vulnerability/CVE-2023-33297",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2023-33297",
"summary": "Bitcoin Core before 24.1, when debug mode is not used, allows attackers to cause a denial of service (e.g., CPU consumption) because draining the inventory-to-send queue is inefficient, as exploited in the wild in May 2023.",
"evidence": "osv:CVE-2023-33297",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2023-33297",
"aliases": [
"CVE-2023-33297"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/bitcoin/bitcoin",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "3116ccd790e76de8f64d2ef9aa5a2641c15bbd8b"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "24.1"
}
],
"source": "DESCRIPTION"
},
{
"cpe": "cpe:2.3:a:bitcoin:bitcoin_core:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "24.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v24.1rc3",
"v24.1rc2",
"v24.1rc1",
"v24.0.1",
"v24.0",
"v24.0rc4",
"v24.0rc3",
"v24.0rc2",
"v24.0rc1",
"v21.99-guixtest1",
"v0.9.0rc2",
"noversion",
"v0.8.0",
"v0.9.0rc1",
"v0.8.2",
"v0.7.1rc1",
"v0.7.1",
"v0.8.2rc2",
"v0.8.2rc3",
"v0.8.2rc1",
"v0.8.0rc1",
"v0.7.0rc3",
"v0.7.0",
"v0.7.0rc2",
"v0.7.0rc1",
"v0.6.0rc6",
"v0.6.0",
"v0.6.1",
"v0.5.0rc7",
"v0.5.0",
"v0.6.1rc2",
"v0.6.1rc1",
"v0.6.0rc5",
"v0.6.0rc4",
"v0.6.0rc3",
"v0.4.0",
"v0.6.0rc2",
"v0.6.0rc1",
"v0.5.1rc2",
"v0.5.1",
"v0.5.1rc1",
"v0.5.0rc6",
"v0.5.0rc5",
"v0.5.0rc4",
"v0.5.0rc2",
"v0.5.0rc1",
"v0.4.00rc2",
"v0.4.00rc1",
"v0.3.24",
"v0.3.24rc3",
"v0.3.24rc2",
"v0.3.24rc1",
"v0.3.23rc1",
"v0.3.23",
"v0.3.22",
"v0.3.22rc3",
"v0.3.22rc4",
"v0.3.22rc2",
"v0.3.22rc1",
"v0.3.21",
"v0.3.21rc",
"v0.3.20.2_closest",
"v0.3.20.01_closest",
"v0.3.20",
"v0.3.11_notexact",
"v0.3.8",
"v0.3.7",
"v0.3.6",
"v0.3.3",
"v0.3.2",
"v0.3.1",
"v0.3.1rc1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-33297.json"
}
}
],
"modified": "2026-10-28T02:30:42.269756951Z",
"provider": "osv",
"references": [
"https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures",
"https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-24.1.md",
"https://x.com/123456/status/1711601593399828530",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/33xxx/CVE-2023-33297.json",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F2EI7SAP4QP2AJYK2JVEOO4GJ6DOBSM5/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H3CQY277NWXY3RFCZCJ4VKT2P3ROACEJ/",
"https://nvd.nist.gov/vuln/detail/CVE-2023-33297",
"https://github.com/bitcoin/bitcoin/issues/27586",
"https://github.com/bitcoin/bitcoin/issues/27623",
"https://github.com/dogecoin/dogecoin/issues/3243#issuecomment-1712575544",
"https://github.com/bitcoin/bitcoin/pull/27610",
"https://github.com/visualbasic6/drain"
],
"provider_metadata": {
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/33xxx/CVE-2023-33297.json"
}
},
"related_cves": [
{
"value": "CVE-2023-33297",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 509884,
"published_at": "2023-05-22T00:00:00+00:00"
}