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CVE-2021-43859 PUBLISHED

XStream is an open source java library to serialize objects to XML and back again. Versions prior to 1.4.19 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. XStream 1.4.19 monitors and accumulates the time it takes to add elements to collections and throws an exception if a set threshold is exceeded. Users are advised to upgrade as soon as possible. Users unable to upgrade may set the NO_REFERENCE mode to prevent recursion. See GHSA-rmr5-cpv2-vgjf for further details on a workaround if an upgrade is not possible.

EPSS 1.86% · 82.9th percentile

Risk Scores

EPSS Score
1.86%
82.9th percentile

Affected Products

VendorProductVersions
Bitnamijenkins0, 2.321.0
Bitnamijenkins0, 2.321.0

Timeline

References

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