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SUSE:SLE-12-SP3:GA
ImageMagick.23974
ImageMagick-CVE-2018-16749.patch
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File ImageMagick-CVE-2018-16749.patch of Package ImageMagick.23974
diff --git a/coders/png.c b/coders/png.c index 31c0b8450..3d6eb7db2 100644 --- a/coders/png.c +++ b/coders/png.c @@ -4584,7 +4584,7 @@ static Image *ReadOneJNGImage(MngInfo *mng_info, (void) LogMagickEvent(CoderEvent,GetMagickModule(), " Copying JDAT chunk data to color_blob."); - if (length != 0) + if ((length != 0) && (color_image != (Image *) NULL)) { (void) WriteBlob(color_image,length,chunk); chunk=(unsigned char *) RelinquishMagickMemory(chunk);
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