OSV-2024-1133 Security exception in com.puppycrawl.tools.checkstyle.grammar.java.JavaLanguageParser.expr

Not scored Published

A security exception in the Checkstyle Java parser can cause a crash, potentially leading to denial of service for developers using the tool.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Not stated
Victim action needed
Not needed
Fix
None listed

What is OSV-2024-1133?

OSV-2024-1133 is a denial of service vulnerability in checkstyle, published on 24 Sep 2024.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=368657262

Crash type: Security exception
Crash state:
com.puppycrawl.tools.checkstyle.grammar.java.JavaLanguageParser.expr
java.base/java.lang.Exception.<init>
java.base/java.lang.RuntimeException.<init>

Which versions are affected by OSV-2024-1133?

1 open source package ship an affected version, including checkstyle.

PackageAffectedFixed in
checkstyle OSS-FuzzAll versionsNone

How do I fix OSV-2024-1133?

No fix has been published for OSV-2024-1133 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 OSV-2024-1133 being exploited?

There is no known exploitation of OSV-2024-1133 in the wild and no public exploit code.

Sources

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