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https://issues.apache.org/jira/browse/XERCESC-2188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17053450#comment-17053450
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Scott Cantor commented on XERCESC-2188:
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I was not aware, thank you.
I'm happy to look, but the simple fact is that I don't know this code and so I
can't even begin to evaluate any proposed fix with any confidence. I don't use
the DTD code, so I can't do any independent testing either.
I think Red Hat's position that a denial of service via memory leak is superior
to a crash is defensible too, but they didn't make that argument, they simply
silently did it without any explanation to their deployers.
> Use-after-free on external DTD scan
> -----------------------------------
>
> Key: XERCESC-2188
> URL: https://issues.apache.org/jira/browse/XERCESC-2188
> Project: Xerces-C++
> Issue Type: Bug
> Components: Validating Parser (DTD)
> Affects Versions: 3.0.0, 3.0.1, 3.0.2, 3.1.0, 3.1.1, 3.1.2, 3.2.0, 3.1.3,
> 3.1.4, 3.2.1, 3.2.2
> Reporter: Scott Cantor
> Priority: Major
> Attachments: Apache-496067-disclosure-report.pdf
>
>
> This is a record of an unfixed bug reported in 2018 in the DTD scanner, per
> the attached PDF, corresponding to CVE-2018-1311.
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