[pcre-dev] [Bug 2124] Regular expression causes endless? loo…

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Autor: admin
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Para: pcre-dev
Assunto: [pcre-dev] [Bug 2124] Regular expression causes endless? looping in pcre2_match_8
https://bugs.exim.org/show_bug.cgi?id=2124

--- Comment #2 from Tony Meyer <tony@???> ---
Please note that the file contains malicious content. I don't have an example
of safe content that triggers the behaviour, sorry.

Zipped .docx is here:
https://www.dropbox.com/s/y427fag177b6k0m/crash_clamav_pcre.docx.zip?dl=0
(Password is "virus"). It's too big to attach to the tracker.

I can provide an unzipped plain version of the file, but don't want to do that
if people might accidentally open it in some OS that is at risk.

I also don't know enough about the ClamAV internals to know how they use PCRE2
with this - e.g. are they running the whole file against that expression? Or
chunks, or particular pieces?

I know this isn't a particularly great bug report, sorry :(. Not sure how to
gather more info.

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