1 libpng 1.6.39 - November 20, 2022
2 =================================
4 This is a public release of libpng, intended for use in production code.
7 Files available for download
8 ----------------------------
10 Source files with LF line endings (for Unix/Linux):
12 * libpng-1.6.39.tar.xz (LZMA-compressed, recommended)
13 * libpng-1.6.39.tar.gz
15 Source files with CRLF line endings (for Windows):
17 * lpng1639.7z (LZMA-compressed, recommended)
28 Changes from version 1.6.38 to version 1.6.39
29 ---------------------------------------------
31 * Changed the error handler of oversized chunks (i.e. larger than
32 PNG_USER_CHUNK_MALLOC_MAX) from png_chunk_error to png_benign_error.
33 * Fixed a buffer overflow error in contrib/tools/pngfix.
34 * Fixed a memory leak (CVE-2019-6129) in contrib/tools/pngcp.
35 * Disabled the ARM Neon optimizations by default in the CMake file,
36 following the default behavior of the configure script.
37 * Allowed configure.ac to work with the trunk version of autoconf.
38 * Removed the support for "install" targets from the legacy makefiles;
39 removed the obsolete makefile.cegcc.
40 * Cleaned up the code and updated the internal documentation.
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