| Package | Affected versions | Patched versions |
|---|---|---|
| com.thoughtworks.xstream:xstream | < 1.4.20 | 1.4.20 |
| xstream | < 1.4.20 | 1.4.20 |
The vulnerability may allow a remote attacker to terminate the application with a stack overflow error resulting in a denial of service only by manipulating the processed input stream.
XStream 1.4.20 handles the stack overflow and raises an InputManipulationException instead.
The only solution is to catch the StackOverflowError in the client code calling XStream.
See full information about the nature of the vulnerability and the steps to reproduce it in XStream's documentation for CVE-2022-40151.
The vulnerability was discovered and reported by Henry Lin of the Google OSS-Fuzz team.
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