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Servers and applications

CVE-2021-21346

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 load and execute arbitrary code from a remote host only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal…

Severity
Critical 9.8
Published
23 Mar 2021
Last changed
7 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
5.15.14
Sources
NVD

Affected software

SoftwareAffected versions
Apache ActiveMQServers and applications · cpe:a:apache:activemq
  • Every version before 5.15.14
  • Version 5.16.0
  • Version 5.16.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-21346
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-21346