Skip to content
Heist/ feed
Back to feed
High

Security advisory

Type: advisorySources: OSVCVE: CVE-2023-33297

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

CVE-2023-33297

core-osv · Original source

Published 22 May 2023, 00:00 UTC

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"
}