Debian Security Advisory
DSA-4811-1 libxstream-java -- security update
- Date Reported:
- 15 Dec 2020
- Affected Packages:
- Security database references:
- In Mitre's CVE dictionary: CVE-2020-26217.
- More information:
It was discovered that the default blacklist of XStream, a Java library to serialise objects to XML and back again, was vulnerable to the execution of arbitrary shell commands by manipulating the processed input stream.
For additional defense-in-depth it is recommended to switch to the whitelist approach of XStream's security framework. For additional information please refer to https://github.com/x-stream/xstream/security/advisories/GHSA-mw36-7c6c-q4q2
For the stable distribution (buster), this problem has been fixed in version 184.108.40.206-1+deb10u1.
We recommend that you upgrade your libxstream-java packages.
For the detailed security status of libxstream-java please refer to its security tracker page at: https://security-tracker.debian.org/tracker/libxstream-java