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https://issues.apache.org/jira/browse/WW-5329?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lukasz Lenart resolved WW-5329.
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Resolution: Fixed
> Upgrade xstream to version 1.4.20
> ---------------------------------
>
> Key: WW-5329
> URL: https://issues.apache.org/jira/browse/WW-5329
> Project: Struts 2
> Issue Type: Dependency
> Components: Core
> Reporter: Lukasz Lenart
> Priority: Major
> Fix For: 6.3.0
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> This maintenance release addresses the security vulnerabilities
> CVE-2022-40151 and CVE-2022-41966, causing a Denial of Service by raising a
> stack overflow. It also provides new converters for Optional and Atomic types.
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