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libraw.9365
libraw-CVE-2018-5811,5812.patch
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File libraw-CVE-2018-5811,5812.patch of Package libraw.9365
--- a/internal/dcraw_common.cpp +++ b/internal/dcraw_common.cpp @@ -1228,9 +1228,14 @@ void CLASS pentax_load_raw() void CLASS nikon_coolscan_load_raw() { - int bufsize = width*3*tiff_bps/8; - if(tiff_bps <= 8) - gamma_curve(1.0/imgdata.params.coolscan_nef_gamma,0.,1,255); + if(!image) + throw LIBRAW_EXCEPTION_IO_CORRUPT; + + int bypp = tiff_bps <= 8 ? 1 : 2; + int bufsize = width * 3 * bypp; + + if (tiff_bps <= 8) + gamma_curve(1.0 / imgdata.params.coolscan_nef_gamma, 0., 1, 255); else gamma_curve(1.0/imgdata.params.coolscan_nef_gamma,0.,1,65535); fseek (ifp, data_offset, SEEK_SET);
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