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[libpng17] Restored the old 1-million default limit on rows and columns

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Glenn Randers-Pehrson
2014-12-24 08:28:30 -06:00
parent d92b0f23e6
commit 13f025c29a
5 changed files with 19 additions and 19 deletions
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libpng.3
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@@ -1142,7 +1142,7 @@ callback function:
The PNG specification allows the width and height of an image to be as
large as 2^(31\-1 (0x7fffffff), or about 2.147 billion rows and columns.
Since very few applications really need to process such large images,
we have imposed an arbitrary 640000 limit on rows and columns.
we have imposed an arbitrary 1,000,000 limit on rows and columns.
Larger images will be rejected immediately with a png_error() call. If
you wish to change this limit, you can use
@@ -5605,11 +5605,11 @@ and safe limits are used by default (users who need larger limits
can still override them at compile time or run time, as described above).
The new limits are
default
png_user_width_max 640,000
png_user_height_max 640,000
png_user_chunk_cache_max 128
png_user_chunk_malloc_max 8,000,000
default spec limit
png_user_width_max 1,000,000 2,147,483,647
png_user_height_max 1,000,000 2,147,483,647
png_user_chunk_cache_max 128 unlimited
png_user_chunk_malloc_max 8,000,000 unlimited
.SH XIII. Changes to Libpng from version 1.6.x to 1.7.x