Description
XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability which may allow a remote attacker to occupy a thread that consumes maximum CPU time and will never return. 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, you will have to use at least version 1.4.16.
Published: 2021-03-22
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2616-1 libxstream-java security update
Debian DSA Debian DSA DSA-5004-1 libxstream-java security update
EUVD EUVD EUVD-2021-0606 XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability which may allow a remote attacker to occupy a thread that consumes maximum CPU time and will never return. 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, you will have to use at least version 1.4.16.
Github GHSA Github GHSA GHSA-56p8-3fh9-4cvq XStream is vulnerable to an attack using Regular Expression for a Denial of Service (ReDos)
Ubuntu USN Ubuntu USN USN-4943-1 XStream vulnerabilities
Ubuntu USN Ubuntu USN USN-6978-1 XStream vulnerabilities
History

Fri, 23 May 2025 18:00:00 +0000

Type Values Removed Values Added
First Time appeared Apache
Apache activemq
Apache jmeter
Netapp
Netapp oncommand Insight
Xstream
Xstream xstream
CPEs cpe:2.3:a:xstream_project:xstream:*:*:*:*:*:*:*:* cpe:2.3:a:apache:activemq:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:activemq:5.16.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:activemq:5.16.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:jmeter:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*
cpe:2.3:a:xstream:xstream:*:*:*:*:*:*:*:*
Vendors & Products Xstream Project
Xstream Project xstream
Apache
Apache activemq
Apache jmeter
Netapp
Netapp oncommand Insight
Xstream
Xstream xstream

Subscriptions

Apache Activemq Jmeter
Debian Debian Linux
Fedoraproject Fedora
Netapp Oncommand Insight
Oracle Banking Enterprise Default Management Banking Platform Banking Virtual Account Management Business Activity Monitoring Communications Billing And Revenue Management Elastic Charging Engine Communications Policy Management Communications Unified Inventory Management Mysql Server Retail Xstore Point Of Service Webcenter Portal
Redhat Camel Quarkus Integration Jboss Data Grid Jboss Enterprise Bpms Platform Jboss Enterprise Brms Platform Jboss Fuse
Xstream Xstream
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2024-08-03T18:09:15.691Z

Reserved: 2020-12-22T00:00:00.000Z

Link: CVE-2021-21348

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2021-03-23T00:15:13.100

Modified: 2025-05-23T17:42:08.603

Link: CVE-2021-21348

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-03-12T00:00:00Z

Links: CVE-2021-21348 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses