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djvulibre.16494
djvulibre-CVE-2021-32490.patch
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File djvulibre-CVE-2021-32490.patch of Package djvulibre.16494
Index: djvulibre-3.5.27/libdjvu/IW44Image.cpp =================================================================== --- djvulibre-3.5.27.orig/libdjvu/IW44Image.cpp 2014-08-01 04:33:59.000000000 +0200 +++ djvulibre-3.5.27/libdjvu/IW44Image.cpp 2021-05-11 15:14:31.834298479 +0200 @@ -687,7 +687,11 @@ IW44Image::Map::image(signed char *img8, size_t sz = bw * bh; if (sz / (size_t)bw != (size_t)bh) // multiplication overflow G_THROW("IW44Image: image size exceeds maximum (corrupted file?)"); + if (sz == 0) + G_THROW("IW44Image: zero size image (corrupted file?)"); GPBuffer<short> gdata16(data16,sz); + if (data16 == NULL) + G_THROW("IW44Image: unable to allocate image data"); // Copy coefficients int i; short *p = data16;
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