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SUSE:SLE-12-SP2:GA
giflib.34873
giflib-integer-overflow.patch
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File giflib-integer-overflow.patch of Package giflib.34873
--- giflib-5.0.5/util/gif2rgb.c 2024-07-23 08:33:42.771452333 +0200 +++ giflib-5.0.5/util/gif2rgb.c 2024-07-23 08:51:12.318814082 +0200 @@ -26,6 +26,7 @@ #include <string.h> #include <stdbool.h> #include <fcntl.h> +#include <limits.h> #ifdef _WIN32 #include <io.h> @@ -520,10 +521,14 @@ } if (!OutFileFlag) OutFileName = NULL; - if (SizeFlag && Width > 0 && Height > 0) + if (SizeFlag) { + if ((Width <= 0 || Height <= 0) || (Height > INT_MAX / Width)) { + GIF_MESSAGE("Image size would be overflow, zero or negative"); + exit(EXIT_FAILURE); + } RGB2GIF(OneFileFlag, NumFiles, *FileName, ExpNumOfColors, Width, Height); - else + } else GIF2RGB(NumFiles, *FileName, OneFileFlag, OutFileName); return 0;
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