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https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12180

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Cristy
2018-12-23 13:22:05 -05:00
parent 02442b2484
commit 2bb47faae1
1 changed files with 5 additions and 1 deletions
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coders/cube.c
+5 -1
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@@ -175,7 +175,9 @@ static Image *ReadCUBEImage(const ImageInfo *image_info,
cube_info=RelinquishVirtualMemory(cube_info);
GetNextToken(q,&q,MagickPathExtent,value);
cube_level=(size_t) StringToLong(value);
if ((cube_level < 2) || (cube_level > 65536))
if (LocaleCompare(token,"LUT_1D_SIZE") == 0)
cube_level=(size_t) ceil(pow((double) cube_level,1.0/3.0));
if ((cube_level < 2) || (cube_level > 256))
{
buffer=DestroyString(buffer);
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
@@ -207,6 +209,8 @@ static Image *ReadCUBEImage(const ImageInfo *image_info,
cube[n].g=StringToDouble(q,&q);
cube[n].b=StringToDouble(q,&q);
n++;
if (n >= (cube_level*cube_level*cube_level))
break;
}
else
if (('+' < *buffer) && (*buffer < ':'))