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CVE-2021-39153

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 load and execute arbitrary code from a remote host only by manipulating the processed input stream, if using the version out of the box with Java runtime version 14 to 8 or with JavaFX installed. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. XStream 1.4.18 uses no longer a blacklist by default, since it cannot be secured for general purpose.

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)