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assertion failed in WriteBlob #506

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bestshow opened this Issue Jun 4, 2017 · 1 comment

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bestshow commented Jun 4, 2017

On version: ImageMagick 7.0.5-10 , a crafted file revealed an assertion failure in blob.c.

#convert $FILE out.mvg
convert: MagickCore/blob.c:5171: ssize_t WriteBlob(Image *, const size_t, const void *): Assertion `data != (const void *) ((void*)0)' failed.
Aborted

testcase : https://github.com/bestshow/p0cs/blob/master/assertion-failed-in-WriteBlob-blob5171_7_0_5_10
Credit : ADLab of Venustech

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mikayla-grace Jun 4, 2017

Thanks for the problem report. We can reproduce it and will have a patch to fix it in GIT master branch @ https://github.com/ImageMagick/ImageMagick later today. The patch will be available in the beta releases of ImageMagick @ http://www.imagemagick.org/download/beta/ by sometime tomorrow.

mikayla-grace commented Jun 4, 2017

Thanks for the problem report. We can reproduce it and will have a patch to fix it in GIT master branch @ https://github.com/ImageMagick/ImageMagick later today. The patch will be available in the beta releases of ImageMagick @ http://www.imagemagick.org/download/beta/ by sometime tomorrow.

dlemstra pushed a commit that referenced this issue Jun 4, 2017

dlemstra pushed a commit that referenced this issue Jun 4, 2017

@dlemstra dlemstra added the bug label Jul 2, 2017

@dlemstra dlemstra closed this Jul 2, 2017

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