Resource exhaustion in Bitcoin Core
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.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.014 (71.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
Weakness classification (CWE)
References
- en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures (Not Applicable)
- github.com/bitcoin/bitcoin/issues/27586 (Issue Tracking)
- github.com/bitcoin/bitcoin/issues/27623 (Issue Tracking)
- github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-24.1.md (Release Notes)
- github.com/bitcoin/bitcoin/pull/27610 (Patch, Issue Tracking)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- github.com/visualbasic6/drain
- github.com/dogecoin/dogecoin/issues/3243
- x.com/123456/status/1711601593399828530
Frequently asked questions
- What is CVE-2023-33297?
- CVE-2023-33297 is a high-severity vulnerability in Bitcoin Core, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-05-22.
- How severe is CVE-2023-33297?
- High severity. CVSS v3 base score is 7.5 out of 10.