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Libpng 1.4.21 - August 24, 2017
This is a public release of libpng, intended for use in production codes.
Files available for download:
Source files with LF line endings (for Unix/Linux) and with a
"configure" script
libpng-1.4.21.tar.xz (LZMA-compressed, recommended)
libpng-1.4.21.tar.gz
Source files with CRLF line endings (for Windows), without the
"configure" script
lpng1421.7z (LZMA-compressed, recommended)
lpng1421.zip
Other information:
libpng-1.4.21-README.txt
libpng-1.4.21-LICENSE.txt
libpng-1.4.21-*.asc (armored detached GPG signatures)
Changes since the last public release (1.4.20):
Moved chunk-name and chunk-length checks into PNG_EXTERN private
png_check_chunk_name() and png_check_chunk_length() functions
(Suggested by Max Stepin).
Check for 0 return from png_get_rowbytes() in contrib/pngminus/*.c to stop
some Coverity issues (162705, 162706, and 162707).
Send comments/corrections/commendations to glennrp at users.sourceforge.net
or to png-mng-implement at lists.sf.net (subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement).
Glenn R-P
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