Release libpng version 1.6.37

ANNOUNCE

@@ -1,13 +1,5 @@
-libpng 1.6.37.git
-=================
-
-This is a development version, not intended to be a public release.
-It will be replaced by a public release, or by another development
-version, at a later time.
-
-
-libpng 1.6.36 - December 1, 2018
-================================
+libpng 1.6.37 - April 14, 2019
+==============================
 
 This is a public release of libpng, intended for use in production code.
 
@@ -17,13 +9,13 @@ Files available for download
 
 Source files with LF line endings (for Unix/Linux):
 
- * libpng-1.6.36.tar.xz (LZMA-compressed, recommended)
- * libpng-1.6.36.tar.gz
+ * libpng-1.6.37.tar.xz (LZMA-compressed, recommended)
+ * libpng-1.6.37.tar.gz
 
 Source files with CRLF line endings (for Windows):
 
- * lp1636.7z (LZMA-compressed, recommended)
- * lp1636.zip
+ * lp1637.7z (LZMA-compressed, recommended)
+ * lp1637.zip
 
 Other information:
 
@@ -33,50 +25,20 @@ Other information:
  * TRADEMARK.md
 
 
-IMPORTANT licensing update: libpng license v2
----------------------------------------------
-
-The new libpng license comprises the terms and conditions from the zlib
-license, and the disclaimer from the Boost license.
-
-The legacy libpng license, used until libpng-1.6.35, is appended to the
-new license, following the precedent established in the Python Software
-Foundation License version 2.
-
-From now on, the list of contributing authors shall be maintained in a
-separate AUTHORS file.  The lists of previous contributing authors,
-mentioned in the legacy libpng license and considered to be an integral
-part of that license, are kept intact, with no further updates.
-
-
-Changes since the previous public release (version 1.6.35)
+Changes since the previous public release (version 1.6.36)
 ----------------------------------------------------------
 
- * Optimized png_do_expand_palette for ARM processors.
-   Improved performance by around 10-22% on a recent ARM Chromebook.
-   (Contributed by Richard Townsend, ARM Holdings)
- * Fixed manipulation of machine-specific optimization options.
-   (Contributed by Vicki Pfau)
- * Used memcpy instead of manual pointer arithmetic on Intel SSE2.
-   (Contributed by Samuel Williams)
- * Fixed build errors with MSVC on ARM64.
-   (Contributed by Zhijie Liang)
- * Fixed detection of libm in CMakeLists.
-   (Contributed by Cameron Cawley)
- * Fixed incorrect creation of pkg-config file in CMakeLists.
-   (Contributed by Kyle Bentley)
- * Fixed the CMake build on Windows MSYS by avoiding symlinks.
- * Fixed a build warning on OpenBSD.
-   (Contributed by Theo Buehler)
- * Fixed various typos in comments.
-   (Contributed by "luz.paz")
- * Raised the minimum required CMake version from 3.0.2 to 3.1.
- * Removed yet more of the vestigial support for pre-ANSI C compilers.
- * Removed ancient makefiles for ancient systems that have been broken
-   across all previous libpng-1.6.x versions.
- * Removed the Y2K compliance statement and the export control
-   information.
- * Applied various code style and documentation fixes.
+ * Fixed a use-after-free vulnerability (CVE-2019-7317) in png_image_free.
+ * Fixed a memory leak in the ARM NEON implementation of png_do_expand_palette.
+ * Fixed a memory leak in pngtest.c.
+ * Fixed two vulnerabilities (CVE-2018-14048, CVE-2018-14550) in
+   contrib/pngminus; refactor.
+ * Changed the license of contrib/pngminus to MIT; refresh makefile and docs.
+   (Contributed by Willem van Schaik)
+ * Fixed a typo in the libpng license v2.
+   (Contributed by Miguel Ojeda)
+ * Added makefiles for AddressSanitizer-enabled builds.
+ * Cleaned up various makefiles.
 
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net.

CHANGES

@@ -6066,33 +6066,44 @@ Version 1.6.35 [July 15, 2018]
 Version 1.6.36 [December 1, 2018]
   Optimized png_do_expand_palette for ARM processors.
   Improved performance by around 10-22% on a recent ARM Chromebook.
-  (Contributed by Richard Townsend, ARM Holdings)
+    (Contributed by Richard Townsend, ARM Holdings)
   Fixed manipulation of machine-specific optimization options.
-  (Contributed by Vicki Pfau)
+    (Contributed by Vicki Pfau)
   Used memcpy instead of manual pointer arithmetic on Intel SSE2.
-  (Contributed by Samuel Williams)
+    (Contributed by Samuel Williams)
   Fixed build errors with MSVC on ARM64.
-  (Contributed by Zhijie Liang)
+    (Contributed by Zhijie Liang)
   Fixed detection of libm in CMakeLists.
-  (Contributed by Cameron Cawley)
+    (Contributed by Cameron Cawley)
   Fixed incorrect creation of pkg-config file in CMakeLists.
-  (Contributed by Kyle Bentley)
+    (Contributed by Kyle Bentley)
   Fixed the CMake build on Windows MSYS by avoiding symlinks.
   Fixed a build warning on OpenBSD.
-  (Contributed by Theo Buehler)
+    (Contributed by Theo Buehler)
   Fixed various typos in comments.
-  (Contributed by "luz.paz")
+    (Contributed by "luz.paz")
   Raised the minimum required CMake version from 3.0.2 to 3.1.
   Removed yet more of the vestigial support for pre-ANSI C compilers.
   Removed ancient makefiles for ancient systems that have been broken
-  across all previous libpng-1.6.x versions.
+    across all previous libpng-1.6.x versions.
   Removed the Y2K compliance statement and the export control
-  information.
+    information.
   Applied various code style and documentation fixes.
 
-Version 1.6.37 [TODO]
-
-Send comments/corrections/commendations to png-mng-implement at lists.sf.net
-(subscription required; visit
+Version 1.6.37 [April 14, 2019]
+  Fixed a use-after-free vulnerability (CVE-2019-7317) in png_image_free.
+  Fixed a memory leak in the ARM NEON implementation of png_do_expand_palette.
+  Fixed a memory leak in pngtest.c.
+  Fixed two vulnerabilities (CVE-2018-14048, CVE-2018-14550) in
+    contrib/pngminus; refactor.
+  Changed the license of contrib/pngminus to MIT; refresh makefile and docs.
+    (Contributed by Willem van Schaik)
+  Fixed a typo in the libpng license v2.
+    (Contributed by Miguel Ojeda)
+  Added makefiles for AddressSanitizer-enabled builds.
+  Cleaned up various makefiles.
+
+Send comments/corrections/commendations to png-mng-implement at lists.sf.net.
+Subscription is required; visit
 https://lists.sourceforge.net/lists/listinfo/png-mng-implement
-to subscribe).
+to subscribe.

CMakeLists.txt

@@ -838,7 +838,7 @@ endif()
 # SET UP LINKS
 if(PNG_SHARED)
   set_target_properties(png PROPERTIES
-#   VERSION 16.${PNGLIB_RELEASE}.1.6.37.git
+#   VERSION 16.${PNGLIB_RELEASE}.1.6.37
     VERSION 16.${PNGLIB_RELEASE}.0
     SOVERSION 16
     CLEAN_DIRECT_OUTPUT 1)

README

@@ -1,5 +1,5 @@
-README for libpng version 1.6.37.git
-====================================
+README for libpng version 1.6.37 - April 14, 2019
+=================================================
 
 See the note about version numbers near the top of png.h.
 See INSTALL for instructions on how to install libpng.

configure

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for libpng 1.6.37.git.
+# Generated by GNU Autoconf 2.69 for libpng 1.6.37.
 #
 # Report bugs to <[email protected]>.
 #
@@ -590,8 +590,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='libpng'
 PACKAGE_TARNAME='libpng'
-PACKAGE_VERSION='1.6.37.git'
-PACKAGE_STRING='libpng 1.6.37.git'
+PACKAGE_VERSION='1.6.37'
+PACKAGE_STRING='libpng 1.6.37'
 PACKAGE_BUGREPORT='[email protected]'
 PACKAGE_URL=''
 
@@ -1372,7 +1372,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures libpng 1.6.37.git to adapt to many kinds of systems.
+\`configure' configures libpng 1.6.37 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1442,7 +1442,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of libpng 1.6.37.git:";;
+     short | recursive ) echo "Configuration of libpng 1.6.37:";;
    esac
   cat <<\_ACEOF
 
@@ -1622,7 +1622,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-libpng configure 1.6.37.git
+libpng configure 1.6.37
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -1954,7 +1954,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by libpng $as_me 1.6.37.git, which was
+It was created by libpng $as_me 1.6.37, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -2825,7 +2825,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='libpng'
- VERSION='1.6.37.git'
+ VERSION='1.6.37'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -2946,7 +2946,7 @@ fi
 
 
 
-PNGLIB_VERSION=1.6.37.git
+PNGLIB_VERSION=1.6.37
 PNGLIB_MAJOR=1
 PNGLIB_MINOR=6
 PNGLIB_RELEASE=37
@@ -14354,7 +14354,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by libpng $as_me 1.6.37.git, which was
+This file was extended by libpng $as_me 1.6.37, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -14420,7 +14420,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-libpng config.status 1.6.37.git
+libpng config.status 1.6.37
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 

configure.ac

@@ -25,7 +25,7 @@ AC_PREREQ([2.68])
 
 dnl Version number stuff here:
 
-AC_INIT([libpng],[1.6.37.git],[[email protected]])
+AC_INIT([libpng],[1.6.37],[[email protected]])
 AC_CONFIG_MACRO_DIR([scripts])
 
 # libpng does not follow GNU file name conventions (hence 'foreign')
@@ -46,7 +46,7 @@ dnl automake, so the following is not necessary (and is not defined anyway):
 dnl AM_PREREQ([1.11.2])
 dnl stop configure from automagically running automake
 
-PNGLIB_VERSION=1.6.37.git
+PNGLIB_VERSION=1.6.37
 PNGLIB_MAJOR=1
 PNGLIB_MINOR=6
 PNGLIB_RELEASE=37

libpng-manual.txt

@@ -1,6 +1,6 @@
 libpng-manual.txt - A description on how to use and modify libpng
 
- Copyright (c) 2018 Cosmin Truta
+ Copyright (c) 2018-2019 Cosmin Truta
  Copyright (c) 1998-2018 Glenn Randers-Pehrson
 
  This document is released under the libpng license.
@@ -9,11 +9,11 @@ libpng-manual.txt - A description on how to use and modify libpng
 
  Based on:
 
- libpng version 1.6.36 - December 1, 2018
+ libpng version 1.6.36, December 2018, through 1.6.37 - April 2019
  Updated and distributed by Cosmin Truta
- Copyright (c) 2018 Cosmin Truta
+ Copyright (c) 2018-2019 Cosmin Truta
 
- libpng versions 0.97, January 1998, through 1.6.35 - July 15, 2018
+ libpng versions 0.97, January 1998, through 1.6.35 - July 2018
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2018 Glenn Randers-Pehrson
 

libpng.3

@@ -1,6 +1,6 @@
-.TH LIBPNG 3 "December 1, 2018"
+.TH LIBPNG 3 "April 14, 2019"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.6.36
+libpng \- Portable Network Graphics (PNG) Reference Library 1.6.37
 
 .SH SYNOPSIS
 \fB#include <png.h>\fP
@@ -519,7 +519,7 @@ Following is a copy of the libpng-manual.txt file that accompanies libpng.
 .SH LIBPNG.TXT
 libpng-manual.txt - A description on how to use and modify libpng
 
- Copyright (c) 2018 Cosmin Truta
+ Copyright (c) 2018-2019 Cosmin Truta
  Copyright (c) 1998-2018 Glenn Randers-Pehrson
 
  This document is released under the libpng license.
@@ -528,11 +528,11 @@ libpng-manual.txt - A description on how to use and modify libpng
 
  Based on:
 
- libpng version 1.6.36 - December 1, 2018
+ libpng version 1.6.36, December 2018, through 1.6.37 - April 2019
  Updated and distributed by Cosmin Truta
- Copyright (c) 2018 Cosmin Truta
+ Copyright (c) 2018-2019 Cosmin Truta
 
- libpng versions 0.97, January 1998, through 1.6.35 - July 15, 2018
+ libpng versions 0.97, January 1998, through 1.6.35 - July 2018
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2018 Glenn Randers-Pehrson
 
@@ -6045,8 +6045,6 @@ Maintained by Cosmin Truta.
 
 Supported by the PNG development group
 .br
-png-mng-implement at lists.sf.net
-(subscription required; visit
 png-mng-implement at lists.sourceforge.net (subscription required; visit
 https://lists.sourceforge.net/lists/listinfo/png-mng-implement
 to subscribe).

libpngpf.3

@@ -1,6 +1,6 @@
-.TH LIBPNGPF 3 "December 1, 2018"
+.TH LIBPNGPF 3 "April 14, 2019"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.6.36
+libpng \- Portable Network Graphics (PNG) Reference Library 1.6.37
 (private functions)
 
 .SH SYNOPSIS

png.5

@@ -1,4 +1,4 @@
-.TH PNG 5 "December 1, 2018"
+.TH PNG 5 "April 14, 2019"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 
@@ -60,7 +60,7 @@ Thomas Boutell and others (png-list).
 .LP
 This man page is
 .br
-Copyright (c) 2018 Cosmin Truta.
+Copyright (c) 2018-2019 Cosmin Truta.
 .br
 Copyright (c) 1998-2006 Glenn Randers-Pehrson.
 .br

png.c

@@ -14,7 +14,7 @@
 #include "pngpriv.h"
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef png_libpng_version_1_6_37_git Your_png_h_is_not_version_1_6_37_git;
+typedef png_libpng_version_1_6_37 Your_png_h_is_not_version_1_6_37;
 
 #ifdef __GNUC__
 /* The version tests may need to be added to, but the problem warning has
@@ -815,7 +815,7 @@ png_get_copyright(png_const_structrp png_ptr)
    return PNG_STRING_COPYRIGHT
 #else
    return PNG_STRING_NEWLINE \
-      "libpng version 1.6.37.git" PNG_STRING_NEWLINE \
+      "libpng version 1.6.37" PNG_STRING_NEWLINE \
       "Copyright (c) 2018-2019 Cosmin Truta" PNG_STRING_NEWLINE \
       "Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson" \
       PNG_STRING_NEWLINE \