RHSA-2021:1354 — Security Advisory

Red Hat Security Advisory: xstream security update

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Severity

Important

Red Hat Product Security

RHEL 7

Products

Official CSAF product identity

Published · April 26, 2021

Updated · October 8, 2026

Topic

An update for xstream is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

XStream is a Java XML serialization library to serialize objects to and deserialize object from XML.

Security Fix(es):

XStream: Unsafe deserizaliation of javax.sql.rowset.BaseRowSet (CVE-2021-21344)
XStream: Unsafe deserizaliation of com.sun.corba.se.impl.activation.ServerTableEntry (CVE-2021-21345)
XStream: Unsafe deserizaliation of sun.swing.SwingLazyValue (CVE-2021-21346)
XStream: Unsafe deserizaliation of com.sun.tools.javac.processing.JavacProcessingEnvironment NameProcessIterator (CVE-2021-21347)
XStream: Unsafe deserizaliation of com.sun.org.apache.bcel.internal.util.ClassLoader (CVE-2021-21350)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.