XStream is a simple library to serialize objects to XML and back again. In affected versions this vulnerability may allow a remote attacker to allocate 100% CPU time on the target system depending on CPU type or parallel execution of such a payload resulting in a denial of service 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 required types. XStream 1.4.18 uses no longer a blacklist by default, since it cannot be secured for general purpose.
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-2769-1 | libxstream-java security update |
Debian DSA |
DSA-5004-1 | libxstream-java security update |
EUVD |
EUVD-2021-1605 | XStream is a simple library to serialize objects to XML and back again. In affected versions this vulnerability may allow a remote attacker to allocate 100% CPU time on the target system depending on CPU type or parallel execution of such a payload resulting in a denial of service 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 required types. XStream 1.4.18 uses no longer a blacklist by default, since it cannot be secured for general purpose. |
Github GHSA |
GHSA-6wf9-jmg9-vxcc | XStream can cause a Denial of Service |
Ubuntu USN |
USN-5946-1 | XStream vulnerabilities |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Fri, 23 May 2025 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Xstream
Xstream xstream |
|
| CPEs | cpe:2.3:a:xstream:xstream:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Xstream Project
Xstream Project xstream |
Xstream
Xstream xstream |
Projects
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2024-08-04T01:58:18.112Z
Reserved: 2021-08-16T00:00:00
Link: CVE-2021-39140
No data.
Status : Analyzed
Published: 2021-08-23T19:15:10.440
Modified: 2025-05-23T16:50:34.143
Link: CVE-2021-39140
OpenCVE Enrichment
No data.
Debian DLA
Debian DSA
EUVD
Github GHSA
Ubuntu USN