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https://issues.apache.org/struts/browse/WW-2030?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_41401
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Antonio Petrelli commented on WW-2030:
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+1 on releasing an a 2.0.8.1 version (but not publishing here, it's not
possible).
I think that many websites are in real danger, a quick fix MUST be released
ASAP.
> DOS (continuos memory eating on an infinte loop) on form fields
> ---------------------------------------------------------------
>
> Key: WW-2030
> URL: https://issues.apache.org/struts/browse/WW-2030
> Project: Struts 2
> Issue Type: Bug
> Components: Value Stack
> Affects Versions: 2.0.8
> Reporter: Andrea Vettori
> Priority: Critical
> Attachments: Struts.diff, Struts2.diff, translateVariable.txt,
> translateVariable2.txt, xwork.diff, xwork2.diff
>
>
> On a form with
> <s:textfield name="xxx">
> if the user enters %{xxx} as the value then
> com/opensymphony/xwork2/util/TextParseUtil.translateVariables enters an
> infinite loop eating about 1GB of ram in one second on my server.
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