File libpng16-CVE-2015-0973.patch of Package libpng16

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File libpng16-CVE-2015-0973.patch of Package libpng16 (Revision bc7fe0932826a397ec8cdf8bd44024e6)

Currently displaying revision bc7fe0932826a397ec8cdf8bd44024e6 , Show latest

http://sourceforge.net/p/libpng/code/ci/dc294204b641373bc6eb603075a8b98f51a75dd8/
--- pngrutil.c
+++ pngrutil.c
@@ -3003,7 +3003,7 @@
 {
    unsigned int pixel_depth = png_ptr->transformed_pixel_depth;
    png_const_bytep sp = png_ptr->row_buf + 1;
-   png_uint_32 row_width = png_ptr->width;
+   png_alloc_size_t row_width = png_ptr->width;
    unsigned int pass = png_ptr->pass;
    png_bytep end_ptr = 0;
    png_byte end_byte = 0;
@@ -3278,7 +3278,7 @@
 
             /* But don't allow this number to exceed the actual row width. */
             if (bytes_to_copy > row_width)
-               bytes_to_copy = row_width;
+               bytes_to_copy = (unsigned int)/*SAFE*/row_width;
          }
 
          else /* normal row; Adam7 only ever gives us one pixel to copy. */
@@ -3458,7 +3458,7 @@
                   dp += bytes_to_jump;
                   row_width -= bytes_to_jump;
                   if (bytes_to_copy > row_width)
-                     bytes_to_copy = row_width;
+                     bytes_to_copy = (unsigned int)/*SAFE*/row_width;
                }
          }

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File libpng16-CVE-2015-0973.patch of Package libpng16 (Revision bc7fe0932826a397ec8cdf8bd44024e6)

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