CVE-2024-52918

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% 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-Qt in Bitcoin Core before 0.20.0 allows remote attackers to cause a denial of service (memory consumption and application crash) via a BIP21 r parameter for a URL that has a large file.

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-bip70-crash/
https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures

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