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djvulibre
djvulibre-CVE-2021-32493.patch
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File djvulibre-CVE-2021-32493.patch of Package djvulibre
--- a/libdjvu/GBitmap.cpp +++ a/libdjvu/GBitmap.cpp @@ -69,6 +69,7 @@ #include <stddef.h> #include <stdlib.h> #include <string.h> +#include <climits> // - Author: Leon Bottou, 05/1997 @@ -1284,6 +1285,8 @@ GBitmap::decode(unsigned char *runs) // initialize pixel array if (nrows==0 || ncolumns==0) G_THROW( ERR_MSG("GBitmap.not_init") ); + if (ncolumns > USHRT_MAX - border) + G_THROW("GBitmap: row size exceeds maximum (corrupted file?)"); bytes_per_row = ncolumns + border; if (runs==0) G_THROW( ERR_MSG("GBitmap.null_arg") );
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