CVE-2024-52917

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-770

Description

Bitcoin Core before 22.0 has a miniupnp infinite loop in which it allocates memory on the basis of random data received over the network, e.g., large M-SEARCH replies from a fake UPnP device.

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-upnp-oom/
https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures

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