CVE-2023-33297
CVSS v3
7.5
HIGH
EPSS Score
1.4 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2023-05-22
Frequently asked questions
What is 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.
Is CVE-2023-33297 actively exploited?
Active exploitation of CVE-2023-33297 has not been confirmed. Its EPSS score was 1.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2023-33297?
CVE-2023-33297 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2023-33297 affecting your environment?
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