17 lines
755 B
Diff
17 lines
755 B
Diff
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Index: djvulibre-3.5.28/libdjvu/IW44Image.cpp
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===================================================================
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--- djvulibre-3.5.28.orig/libdjvu/IW44Image.cpp 2020-11-20 17:57:32.000000000 +0100
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+++ djvulibre-3.5.28/libdjvu/IW44Image.cpp 2021-05-11 15:14:54.034421423 +0200
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@@ -678,7 +678,11 @@ IW44Image::Map::image(signed char *img8,
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size_t sz = bw * bh;
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if (sz / (size_t)bw != (size_t)bh) // multiplication overflow
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G_THROW("IW44Image: image size exceeds maximum (corrupted file?)");
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+ if (sz == 0)
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+ G_THROW("IW44Image: zero size image (corrupted file?)");
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GPBuffer<short> gdata16(data16,sz);
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+ if (data16 == NULL)
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+ G_THROW("IW44Image: unable to allocate image data");
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// Copy coefficients
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int i;
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short *p = data16;
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