CVE-2025-9092 Hybrid Module Deployment in Multi-JVM Environments Leading to Resource Exhaustion

Low 1.0 Published Updated

Attackers can cause resource exhaustion in applications using Bouncy Castle FIPS Java API, leading to denial of service.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2025-9092?

CVE-2025-9092 is a low-severity denial of service vulnerability in Legion of the Bouncy Castle Inc. Bouncy Castle for Java - BC-FJA 2.1.0, published on 16 Aug 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Uncontrolled Resource Consumption vulnerability in Legion of the Bouncy Castle Inc. Bouncy Castle for Java - BC-FJA 2.1.0 bc-fips (API modules) allows Excessive Allocation. This vulnerability is associated with program files org.Bouncycastle.Crypto.Fips.NativeLoader.

This issue affects Bouncy Castle for Java - BC-FJA 2.1.0: from BC-FJA 2.1.0 through 2.1.0.

Weakness: CWE-400

Which versions are affected by CVE-2025-9092?

2 open source packages ship an affected version, including org.bouncycastle:bc-fips.

PackageAffectedFixed in
org.bouncycastle:bc-fips MavenFrom 2.1.02.1.1
org.bouncycastle:bc-fips MavenFrom 2.1.02.1.1

How do I fix CVE-2025-9092?

Upgrade org.bouncycastle:bc-fips to 2.1.1 or later.

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-2025-9092 being exploited?

There is no known exploitation of CVE-2025-9092 in the wild and no public exploit code.

Sources

Also known as GHSA-v6cf-mv9h-c8mc.

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