What’s Vulnerable › Vulnerabilities

CVE-2024-52919

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% 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-190

Description

Bitcoin Core before 22.0 has a CAddrMan nIdCount integer overflow and resultant assertion failure (and daemon exit) via a flood of addr messages.

Affected products

• Bitcoin Core: before 22.0 — fixed in 22.0

How to fix

Upgrade to a fixed version: Bitcoin Core 22.0. Check the vendor advisory for mitigations.

References

• https://bitcoincore.org/en/2024/07/31/disclose-addrman-int-overflow/
• https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures

Get alerted when CVE-2024-52919 or the next vulnerability affects your stack