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openSUSE:Leap:15.3
ImageMagick.19146
ImageMagick-CVE-2021-20312.patch
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File ImageMagick-CVE-2021-20312.patch of Package ImageMagick.19146
diff --git a/coders/thumbnail.c b/coders/thumbnail.c index 59d97380d9..e92dd31201 100644 --- a/coders/thumbnail.c +++ b/coders/thumbnail.c @@ -199,7 +199,8 @@ static MagickBooleanType WriteTHUMBNAILImage(const ImageInfo *image_info, break; q++; } - if ((q+length) > (GetStringInfoDatum(profile)+GetStringInfoLength(profile))) + if ((q > (GetStringInfoDatum(profile)+GetStringInfoLength(profile))) || + (length > (GetStringInfoDatum(profile)+GetStringInfoLength(profile)-q))) ThrowWriterException(CoderError,"ImageDoesNotHaveAThumbnail"); thumbnail_image=BlobToImage(image_info,q,length,exception); if (thumbnail_image == (Image *) NULL)
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