CVE-2025-46598 Denial of service in n/a
Attackers can cause a denial of service in Bitcoin Core by submitting a crafted transaction, affecting node availability.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-46598?
CVE-2025-46598 is a medium-severity denial of service vulnerability in Bitcoin Bitcoin Core, published on 20 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Bitcoin Core through 29.0 allows a denial of service via a crafted transaction.
Weakness: CWE-405
Which versions are affected by CVE-2025-46598?
It affects 1 product.
Products include Bitcoin Bitcoin Core.
How do I fix CVE-2025-46598?
No fix has been published for CVE-2025-46598 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-2025-46598 being exploited?
There is no known exploitation of CVE-2025-46598 in the wild and no public exploit code.
Other vulnerabilities in Bitcoin Bitcoin Core
Sources
Also known as GHSA-9mg4-vwmm-mmj9.