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assertion failed in SetPixelChannelAttributes #492

bestshow opened this issue May 15, 2017 · 3 comments


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commented May 15, 2017

on Version: ImageMagick 7.0.5-7 Q16

A crafted file revealed an assertion failure in pixel-accessor.h.

#./magick convert $FILE out.png
magick: ./MagickCore/pixel-accessor.h:695: SetPixelChannelAttributes: Assertion `(ssize_t) channel < 32' failed.

testcase :
Credit : ADLab of Venustech

@dlemstra dlemstra added the bug label May 15, 2017


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commented May 15, 2017

Thanks reporting all these assertion failures @bestshow 👍 👍 👍

dlemstra added a commit that referenced this issue May 15, 2017

@dlemstra dlemstra closed this May 15, 2017


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commented May 16, 2017

@dlemstra Thanks , it`s my pleasure.


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commented Jun 8, 2017

This was assigned CVE-2017-9499

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