CVE-2023-33297
highpriority · track · 30EPSS 0.014 · 72 %ileEUUSEPSS · scored 2026-10-28
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (32)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2023-33297/cnnvd
- https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposurescnnvd
- https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-24.1.mdcnnvd
- https://github.com/bitcoin/bitcoin/issues/27586cnnvd
- https://github.com/bitcoin/bitcoin/issues/27623cnnvd
- https://github.com/bitcoin/bitcoin/pull/27610cnnvd
- https://github.com/bitcoin/bitcoin/pull/27610/commits/228e9201efb5574b1b96bb924de1d2e8dd1317f3Patchcnnvd
- https://github.com/dogecoin/dogecoin/issues/3243#issuecomment-1712575544cnnvd
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