Resource exhaustion in Bitcoin 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)

EPSS: 0.014 (69.1th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-33297?
CVE-2023-33297 is a high-severity vulnerability in Bitcoin 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.