dcraw/dcraw-CVE-2017-13735.patch

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diff -urNp old/dcraw.c new/dcraw.c
--- old/dcraw.c 2018-07-11 10:33:06.280425391 +0200
+++ new/dcraw.c 2018-07-11 10:45:52.722922118 +0200
@@ -2250,6 +2250,10 @@ void CLASS kodak_radc_load_raw()
((short *)buf)[i] = 2048;
for (row=0; row < height; row+=4) {
FORC3 mul[c] = getbits(6);
+#ifdef LIBRAW_LIBRARY_BUILD
+ if(!mul[0] || !mul[1] || !mul[2])
+ throw LIBRAW_EXCEPTION_IO_CORRUPT;
+#endif
FORC3 {
val = ((0x1000000/last[c] + 0x7ff) >> 12) * mul[c];
s = val > 65564 ? 10:12;