libxstream-java: XStream is a simple library to serialize objects to XML and back again
CVE-2021-39150 is fixed in libxstream-java on 1 platform, first by libxstream-java 1.4.11.1-1+deb10u4build0.18.04.1, released December 27, 2022. It is not reported as exploited. Patch Radar priority: Routine.
XStream is a simple library to serialize objects to XML and back again. In affected versions this vulnerability may allow a remote attacker to request data from internal resources that are not publicly available only by manipulating the processed input stream with a Java runtime version 14 to 8. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. If you rely on XStream's default blacklist of the [Security Framework](https://x-stream.github.io/security.html#framework), you will have to use at least version 1.4.18.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libxstream-java · Ubuntu 18.04.6 LTS (bionic) | 1.4.11.1-1+deb10u4build0.18.04.1 | libxstream-java 1.4.11.1-1+deb10u4build0.18.04.1 | Dec 27, 2022 |
| libxstream-java · Ubuntu 20.04 LTS (focal) | 1.4.11.1-1ubuntu0.3 | libxstream-java 1.4.11.1-1ubuntu0.3 | Dec 27, 2022 |
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