Security Exception in javaparser: Vulnerability in Name.accept Method
Summary
OSV-2026-1092: Security exception in com.github.javaparser.ast.expr.Name.accept. Affects javaparser versions >= 8373b53305253884e2a45ca8c92fcc9eec0c9cd4, < 2ec0219229d3f7f614e7f6b2100c473c32e2fd47. Fixed in 2ec0219229d3f7f614e7f6b2100c473c32e2fd47. How to fix ↓
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Background
javaparser is an open-source library that allows developers to parse, analyze, and manipulate Java source code. It provides a rich set of features for working with Java syntax trees, making it easier to build tools that require code analysis or transformation. However, a recent vulnerability has been identified that affects the security of the library, specifically in the Name.accept method, which could lead to potential crashes or security exceptions during execution.
Vulnerability Detail
The vulnerability arises from a security exception in the com.github.javaparser.ast.expr.Name.accept method. This issue was reported by OSS-Fuzz, indicating that the method can lead to a crash when certain conditions are met. The crash occurs in the context of a lambda function within the VoidVisitorAdapter class, specifically when handling optional values. If exploited, this vulnerability could lead to application instability or unexpected behavior, impacting the overall reliability of applications that utilize the javaparser library.
How To Fix
Minimum fixed version
2ec0219229d3f7f614e7f6b2100c473c32e2fd47
This is the first release that contains the fix.
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Workaround
As a temporary workaround, you can avoid using the Name.accept method until you have updated to the patched version. Additionally, consider implementing error handling around the usage of this method to catch potential exceptions and prevent application crashes.
Conclusion
In summary, the javaparser library has a vulnerability related to a security exception in the Name.accept method. It is crucial to update to the patched version to ensure the stability and security of applications using this library. For real-time monitoring of open-source vulnerabilities, consider using Vulert, which can alert you to issues without requiring code access.
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FAQ
The vulnerability is a security exception that occurs in the Name.accept method, leading to potential crashes.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
Exploiting this vulnerability could lead to application instability, crashes, or unexpected behavior in applications that rely on the javaparser library.
Yes, a patch has been released, and you can update to the fixed version of javaparser to resolve the issue.
If you cannot update immediately, consider implementing error handling around the Name.accept method to mitigate the risk of crashes.
References
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