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openSUSE:Maintenance:697
libpng14.openSUSE_11.4_Update
libpng14-1.4.4-CVE-2011-2690.patch
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File libpng14-1.4.4-CVE-2011-2690.patch of Package libpng14.openSUSE_11.4_Update
http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng;a=blobdiff;f=pngrtran.c;h=6bce578dfad3d9121d35cf4893298bb2fce5cd84;hp=0a01db8ba91694f7e27428be157f760e7c5fbc27;hb=cc1d4d0dbc727f60b7ae5320776c05e668fd40e3;hpb=070434c04512948f7eb4acf09a36a6f06000f456 Index: pngrtran.c =================================================================== --- pngrtran.c.orig +++ pngrtran.c @@ -660,10 +660,14 @@ void PNGAPI png_set_rgb_to_gray(png_structp png_ptr, int error_action, double red, double green) { - int red_fixed = (int)((float)red*100000.0 + 0.5); - int green_fixed = (int)((float)green*100000.0 + 0.5); + int red_fixed, green_fixed; if (png_ptr == NULL) return; + if (red > 21474.83647 || red < -21474.83648 || + green > 21474.83647 || green < -21474.83648) + png_error(png_ptr, "ignoring out of range rgb_to_gray coefficients"); + red_fixed = (int)((float)red*100000.0 + 0.5); + green_fixed = (int)((float)green*100000.0 + 0.5); png_set_rgb_to_gray_fixed(png_ptr, error_action, red_fixed, green_fixed); } #endif
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