File libraw-CVE-2017-14348.patch of Package libraw.8527

Index: LibRaw-0.17.1/internal/dcraw_common.cpp
===================================================================
--- LibRaw-0.17.1.orig/internal/dcraw_common.cpp	2017-09-15 18:28:13.330732870 +0200
+++ LibRaw-0.17.1/internal/dcraw_common.cpp	2017-09-15 18:28:27.758986666 +0200
@@ -5636,6 +5636,7 @@ void CLASS setCanonBodyFeatures (unsigne
 void CLASS processCanonCameraInfo (unsigned id, uchar *CameraInfo, unsigned maxlen)
 {
   ushort iCanonLensID = 0, iCanonMaxFocal = 0, iCanonMinFocal = 0, iCanonLens = 0, iCanonCurFocal = 0, iCanonFocalType = 0;
+  if(maxlen<16) return; // too short, so broken
   CameraInfo[0] = 0;
   CameraInfo[1] = 0;
   switch (id) {
@@ -6705,7 +6706,7 @@ void CLASS parse_makernote_0xc634(int ba
 
         else if (tag == 0x000d)			// camera info
           {
-            CanonCameraInfo = (uchar*)malloc(len);
+            CanonCameraInfo = (uchar*)malloc(MAX(16,len));
             fread(CanonCameraInfo, len, 1, ifp);
             lenCanonCameraInfo = len;
           }
@@ -7475,7 +7476,7 @@ void CLASS parse_makernote (int base, in
 
         else if (tag == 0x000d)			// camera info
           {
-            CanonCameraInfo = (uchar*)malloc(len);
+            CanonCameraInfo = (uchar*)malloc(MAX(16,len));
             fread(CanonCameraInfo, len, 1, ifp);
             lenCanonCameraInfo = len;
           }