8000 bpo-44549: Update bzip2 to 1.0.8 in Windows builds to mitigate CVE-20… · python/cpython@105b9ac · GitHub
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Commit 105b9ac

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bpo-44549: Update bzip2 to 1.0.8 in Windows builds to mitigate CVE-2016-3189 and CVE-2019-12900 (GH-31731)
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Update bzip2 to 1.0.8 in Windows builds to mitigate CVE-2016-3189 and
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CVE-2019-12900

PCbuild/get_externals.bat

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@@ -51,7 +51,7 @@ if NOT DEFINED PYTHON (
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echo.Fetching external libraries...
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set libraries=
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set libraries=%libraries% bzip2-1.0.6
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set libraries=%libraries% bzip2-1.0.8
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if NOT "%IncludeLibffiSrc%"=="false" set libraries=%libraries% libffi-3.4.2
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if NOT "%IncludeSSLSrc%"=="false" set libraries=%libraries% openssl-1.1.1m
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set libraries=%libraries% sqlite-3.37.2.0

PCbuild/python.props

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<ExternalsDir Condition="$(ExternalsDir) == ''">$([System.IO.Path]::GetFullPath(`$(PySourcePath)externals`))</ExternalsDir>
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<ExternalsDir Condition="!HasTrailingSlash($(ExternalsDir))">$(ExternalsDir)\</ExternalsDir>
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<sqlite3Dir>$(ExternalsDir)sqlite-3.37.2.0\</sqlite3Dir>
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<bz2Dir>$(ExternalsDir)bzip2-1.0.6\</bz2Dir>
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<bz2Dir>$(ExternalsDir)bzip2-1.0.8\</bz2Dir>
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<lzmaDir>$(ExternalsDir)xz-5.2.2\</lzmaDir>
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<libffiDir>$(ExternalsDir)libffi-3.4.2\</libffiDir>
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<libffiOutDir>$(ExternalsDir)libffi-3.4.2\$(ArchName)\</libffiOutDir>

PCbuild/readme.txt

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about getting the source for building these libraries. The sub-projects
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are:
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_bz2
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Python wrapper for version 1.0.6 of the libbzip2 compression library
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Python wrapper for version 1.0.8 of the libbzip2 compression library
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Homepage:
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http://www.bzip.org/
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_lzma

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