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https://issues.apache.org/jira/browse/NIFI-4821?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pierre Villard resolved NIFI-4821.
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Resolution: Fixed
> Upgrade to Apache POI 3.16 or newer
> -----------------------------------
>
> Key: NIFI-4821
> URL: https://issues.apache.org/jira/browse/NIFI-4821
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Extensions
> Reporter: Joseph Witt
> Assignee: Joseph Witt
> Priority: Major
> Fix For: 1.6.0
>
>
> CVE-2017-12626 was announced today with the text:
>
> Title: CVE-2017-12626 – Denial of Service Vulnerabilities in Apache POI < 3.17
> Severity: Important
> Vendor: The Apache Software Foundation
> Versions affected: versions prior to version 3.17
> Description:
> Apache POI versions prior to release 3.17 are vulnerable to Denial of
> Service Attacks:
> * Infinite Loops while parsing specially crafted WMF, EMF, MSG and macros
> (POI bugs 61338 [0] and 61294 [1])
> * Out of Memory Exceptions while parsing specially crafted DOC, PPT and
> XLS
> (POI bugs 52372 [2] and 61295 [3])
> Mitigation: Users with applications which accept content from external or
> untrusted sources are advised to upgrade to Apache POI 3.17 or newer.
> -Tim Allison
> on behalf of the Apache POI PMC
>
> [0] [https://bz.apache.org/bugzilla/show_bug.cgi?id=61338]
> [1] [https://bz.apache.org/bugzilla/show_bug.cgi?id=61294]
> [2] [https://bz.apache.org/bugzilla/show_bug.cgi?id=52372]
> [3] [https://bz.apache.org/bugzilla/show_bug.cgi?id=61295]
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