What’s Vulnerable › Vulnerabilities

CVE-2024-52920

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-11-18 · updated 2026-06-17
• Weakness: CWE-770

Description

Bitcoin Core before 0.20.0 allows remote attackers to cause a denial of service (infinite loop) via a malformed GETDATA message.

Affected products

• Bitcoin Core: before 0.20.0 — fixed in 0.20.0

How to fix

Upgrade to a fixed version: Bitcoin Core 0.20.0. Check the vendor advisory for mitigations.

References

• https://bitcoincore.org/en/2024/07/03/disclose-getdata-cpu/
• https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures

Get alerted when CVE-2024-52920 or the next vulnerability affects your stack