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Re: tiff / tiff3 / CVE-2015-7554 / CVE-2016-5318

On Thu, 15 Sep 2016, Brian May wrote:
> What does the TIFFReadDirectoryFindFieldInfo function do? What
> situations is TIFFReadDirectoryFindFieldInfo unsuccessful?

I don't know.

> You could perhaps mitigate by requiring an extra parameter that declares
> the number of options you are parsing, however I think the chances of
> getting it wrong are high.

That would be a prober fix but it breaks the API so it's clearly out
of scope for a security update.

Raphaël Hertzog ◈ Debian Developer

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