OSV-2023-543 Security exception in com.github.javaparser.ast.validator.TreeVisitorValidator.accept
A security exception in the JavaParser library's TreeVisitorValidator can cause a crash, leading to denial of service when processing specific AST nodes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2023-543?
OSV-2023-543 is a denial of service vulnerability in javaparser, published on 5 Jul 2023.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=60355
Crash type: Security exception
Crash state:
com.github.javaparser.ast.validator.TreeVisitorValidator.accept
com.github.javaparser.ast.expr.FieldAccessExpr.getMetaModel
com.github.javaparser.ast.expr.FieldAccessExpr.getMetaModel
Which versions are affected by OSV-2023-543?
1 open source package ship an affected version, including javaparser.
| Package | Affected | Fixed in |
|---|---|---|
javaparser OSS-Fuzz | All versions | None |
How do I fix OSV-2023-543?
No fix has been published for OSV-2023-543 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-2023-543 being exploited?
There is no known exploitation of OSV-2023-543 in the wild and no public exploit code.