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dcraw
dcraw-CVE-2021-3624.patch
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File dcraw-CVE-2021-3624.patch of Package dcraw
--- dcraw/dcraw.c 2022-04-12 14:29:23.791896447 +0200 +++ dcraw/dcraw.c 2022-04-12 14:59:50.767180929 +0200 @@ -3289,7 +3289,13 @@ } } else if (type == 4) { free (meta_data); - meta_data = (char *) malloc (meta_length = wide*high*3/2); + meta_data = NULL; + meta_length = wide*high*3/2; + if (meta_length/wide != high*3/2) { + fprintf(stderr, "Potential buffer overflow (meta_length %u, wide %u, high %u). Bailing out...\n", meta_length, wide, high); + longjmp(failure, 2); + } + meta_data = (char *) malloc (meta_length); merror (meta_data, "foveon_load_camf()"); foveon_huff (huff); get4();
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