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djvulibre.16299
djvulibre-CVE-2021-32491.patch
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File djvulibre-CVE-2021-32491.patch of Package djvulibre.16299
Index: djvulibre-3.5.27/tools/ddjvu.cpp =================================================================== --- djvulibre-3.5.27.orig/tools/ddjvu.cpp 2021-05-11 15:14:31.826298435 +0200 +++ djvulibre-3.5.27/tools/ddjvu.cpp 2021-05-11 15:14:31.842298523 +0200 @@ -70,6 +70,7 @@ #include <locale.h> #include <fcntl.h> #include <errno.h> +#include <stdint.h> #ifdef UNIX # include <sys/time.h> @@ -394,7 +395,9 @@ render(ddjvu_page_t *page, int pageno) rowsize = rrect.w; else rowsize = rrect.w * 3; - if (! (image = (char*)malloc(rowsize * rrect.h))) + if ((size_t) rowsize > SIZE_MAX / rrect.h) + die(i18n("Integer overflow when allocating image buffer for page %d"), pageno); + if (! (image = (char*)malloc((size_t) rowsize * rrect.h))) die(i18n("Cannot allocate image buffer for page %d"), pageno); /* Render */
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