OSV-2023-750 Security exception in org.antlr.v4.runtime.atn.PredictionContext.fromRuleContext
A security exception in the ANTLR Java runtime can cause a crash, leading to denial of service for applications using the library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2023-750?
OSV-2023-750 is a denial of service vulnerability in checkstyle, published on 27 Aug 2023.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61786
Crash type: Security exception
Crash state:
org.antlr.v4.runtime.atn.PredictionContext.fromRuleContext
java.base/jdk.internal.misc.Unsafe.weakCompareAndSetInt
java.base/jdk.internal.misc.Unsafe.getAndAddInt
Which versions are affected by OSV-2023-750?
1 open source package ship an affected version, including checkstyle.
| Package | Affected | Fixed in |
|---|---|---|
checkstyle OSS-Fuzz | All versions | None |
How do I fix OSV-2023-750?
No fix has been published for OSV-2023-750 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-2023-750 being exploited?
There is no known exploitation of OSV-2023-750 in the wild and no public exploit code.