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CVE-2021-39152

Published: 23 August 2021

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.

Priority

Medium

CVSS 3 base score: 8.5

Status

Package Release Status
libxstream-java
Launchpad, Ubuntu, Debian
bionic Needed

focal Needed

hirsute Ignored
(reached end-of-life)
impish Needed

jammy Not vulnerable
(1.4.18-1)
trusty Needed

upstream Needs triage

xenial Ignored
(out of standard support)