CVE-2024-52918 Denial of service in n/a
Remote attackers can cause Bitcoin Core to crash via memory exhaustion by processing a malicious BIP21 URL with a large file parameter.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-52918?
CVE-2024-52918 is a medium-severity denial of service vulnerability in n/a, published on 18 Nov 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-770
Which versions are affected by CVE-2024-52918?
How do I fix CVE-2024-52918?
No fix has been published for CVE-2024-52918 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-52918 being exploited?
There is no known exploitation of CVE-2024-52918 in the wild and no public exploit code.
Sources
Also known as GHSA-vr6g-27c6-8qqc.