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[libpng16] Added png_ptr->process_mode = PNG_READ_IDAT_MODE in

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png_push_read_chunk after recognizing the IDAT chunk, which avoids an
infinite loop while reading a datastream whose first IDAT chunk is of
zero-length.
This commit is contained in:
Glenn Randers-Pehrson
2014-02-22 21:59:40 -06:00
parent f5df058bee
commit eb657ae68f
4 changed files with 19 additions and 8 deletions
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10
ANNOUNCE
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@@ -1,5 +1,5 @@
Libpng 1.6.10beta02 - February 21, 2014
Libpng 1.6.10beta02 - February 23, 2014
This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version.
@@ -55,7 +55,7 @@ Version 1.6.10beta01 [February 9, 2014]
and it adds corresponding code to pngimage.c to handle such options
by not attempting to test them.
Version 1.6.10beta02 [February 21, 2014]
Version 1.6.10beta02 [February 23, 2014]
Moved redefines of png_error(), png_warning(), png_chunk_error(),
and png_chunk_warning() from pngpriv.h to png.h to make them visible
to libpng-calling applications.
@@ -74,7 +74,11 @@ Version 1.6.10beta02 [February 21, 2014]
support older Clang versions (Jeremy Sequoia).
Treat CRC error handling with png_set_crc_action(), instead of with
png_set_benign_errors(), which has been the case since libpng-1.6.0beta18.
Use a user warning handler in contrib/gregbook/readpng2.c instead of default.
Use a user warning handler in contrib/gregbook/readpng2.c instead of default,
so warnings will be put on stderr even if libpng has CONSOLE_IO disabled.
Added png_ptr->process_mode = PNG_READ_IDAT_MODE in png_push_read_chunk
after recognizing the IDAT chunk, which avoids an infinite loop while
reading a datastream whose first IDAT chunk is of zero-length.
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