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authorGlenn Randers-Pehrson <glennrp at users.sourceforge.net>2015-11-04 23:42:05 -0600
committerGlenn Randers-Pehrson <glennrp at users.sourceforge.net>2015-11-04 23:43:17 -0600
commit3939689e7d9d06ee05411210bc8e605adcff294e (patch)
tree11b6611fbe45b5e6bf243e7f46a8c9de7f34e9ae
parent49349fc8f8d097c62b522d775d0707409a8fcd5f (diff)
downloadlibpng-3939689e7d9d06ee05411210bc8e605adcff294e.tar.gz
[libpng12] Fixed new bug with CRC error after reading an over-length palette.
-rw-r--r--pngrutil.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/pngrutil.c b/pngrutil.c
index 9ed1ae247..bc552ccc0 100644
--- a/pngrutil.c
+++ b/pngrutil.c
@@ -1,7 +1,7 @@
/* pngrutil.c - utilities to read a PNG file
*
- * Last changed in libpng 1.2.54 [November 3, 2015]
+ * Last changed in libpng 1.2.54 [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.)
@@ -603,7 +603,7 @@ png_handle_PLTE(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
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 */