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SUSE:SLE-12-SP1:GA
djvulibre
djvulibre-CVE-2021-32490,46310.patch
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File djvulibre-CVE-2021-32490,46310.patch of Package djvulibre
Index: djvulibre-3.5.25/libdjvu/IW44Image.cpp =================================================================== --- djvulibre-3.5.25.orig/libdjvu/IW44Image.cpp +++ djvulibre-3.5.25/libdjvu/IW44Image.cpp @@ -684,7 +684,12 @@ IW44Image::Map::image(signed char *img8, { // Allocate reconstruction buffer short *data16; - GPBuffer<short> gdata16(data16,bw*bh); + size_t sz = bw * bh; + if (sz == 0) // bw or bh is zero + G_THROW("IW44Image: zero size image (corrupted file?)"); + if (sz / (size_t)bw != (size_t)bh) // multiplication overflow + G_THROW("IW44Image: image size exceeds maximum (corrupted file?)"); + GPBuffer<short> gdata16(data16,sz); // Copy coefficients int i; short *p = data16;
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