Uncaught exception in com.ctc.wstx.dtd.FullDTDReader.readContentSpec in xstream

xstream Updated 02 Oct 2025

Summary

04/06/2022

Disclosed on

LOW

Severity

Yes i

Fix available

Low

Severity

Not published

CVSS Score

OSV-2022-455: Uncaught exception in com.ctc.wstx.dtd.FullDTDReader.readContentSpec. Affects xstream versions >= eb21c8d3b0c98e7312b65cb53cecbb4c54f6c9ee, < eb21c8d3b0c98e7312b65cb53cecbb4c54f6c9ee. Fixed in eb21c8d3b0c98e7312b65cb53cecbb4c54f6c9ee. How to fix ↓

Free scan

Check if this vulnerability affects your application

Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or Browse

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats

SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml

Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile

Javascript package-lock.json · yarn.lock · pnpm-lock.yaml

PHP composer.lock

Python poetry.lock · requirements.txt · Pipfile.lock

Go go.mod

Rust Cargo.lock

Ruby Gemfile.lock

Dart pubspec.lock

C/C++ conan.lock

Elixir mix.lock

Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

Background

xstream is an open-source library for serializing Java objects to XML and back. It provides a simple API for converting objects to XML and vice versa. This vulnerability affects the xstream package and can lead to uncaught exceptions in the FullDTDReader.readContentSpec method.

Vulnerability Detail

The vulnerability occurs when the FullDTDReader.readContentSpec method encounters an uncaught exception. This can result in a crash, causing the application to become unresponsive or terminate unexpectedly. The issue has been reported in the OSS-Fuzz project and is considered to have a low severity level. More details about the crash state can be found in the provided OSS-Fuzz report.

How To Fix

Minimum fixed version

eb21c8d3b0c98e7312b65cb53cecbb4c54f6c9ee

This is the first release that contains the fix.

Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →

Workaround

There is no specific workaround mentioned for this vulnerability.

Conclusion

In conclusion, the xstream package is vulnerable to an uncaught exception in the FullDTDReader.readContentSpec method. To mitigate this vulnerability, it is recommended to update the package to the latest version. For further support on vulnerability remediation, you can reach out to DevNack.com.

See every vulnerability recorded for xstream →