libpng/libpng-ztxt-bug.patch
2008-09-09 19:32:10 +00:00

18 lines
728 B
Diff

Patch for CVE-2008-3964
diff -ru4NwbB libpng-1.2.31/pngpread.c libpng-1.2.32beta01/pngpread.c
--- libpng-1.2.31/pngpread.c 2008-08-21 05:54:13.254898477 -0500
+++ libpng-1.2.32beta01/pngpread.c 2008-09-06 07:03:43.043602194 -0500
@@ -1278,9 +1278,9 @@
tmp = text;
text = (png_charp)png_malloc(png_ptr, text_size +
(png_uint_32)(png_ptr->zbuf_size
- - png_ptr->zstream.avail_out));
+ - png_ptr->zstream.avail_out + 1));
png_memcpy(text, tmp, text_size);
png_free(png_ptr, tmp);
png_memcpy(text + text_size, png_ptr->zbuf,
png_ptr->zbuf_size - png_ptr->zstream.avail_out);