commit 56def65afe302e76ff330a306ec45ab791872c7b
author Glenn Randers-Pehrson <glennrp at users.sourceforge.net> Wed Nov 04 23:44:13 2015 -0600
committer Glenn Randers-Pehrson <glennrp at users.sourceforge.net> Wed Nov 04 23:44:13 2015 -0600
tree 9429eac40c34c7c7a04d39c6271a57538a1ce7b3
parent f1fb90f1aab2fd0fcf95088fe8455a2dd3f8b2d9

[libpng14] Fixed new bug with CRC error after reading an over-length palette.

pngrutil.c

diff --git a/pngrutil.c b/pngrutil.c
index 40abb33..6b53548 100644
--- a/pngrutil.c
+++ b/pngrutil.c
@@ -1,7 +1,7 @@
 
 /* pngrutil.c - utilities to read a PNG file
  *
- * Last changed in libpng 1.4.17 [November 3, 2015]
+ * Last changed in libpng 1.4.17 [November 5, 2015]
  * Copyright (c) 1998-2015 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@@ -648,7 +648,7 @@
    if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
 #endif
    {
-      png_crc_finish(png_ptr, 0);
+      png_crc_finish(png_ptr, (int) length - num * 3);
    }
 #ifndef PNG_READ_OPT_PLTE_SUPPORTED
    else if (png_crc_error(png_ptr))  /* Only if we have a CRC error */