https://github.com/python/cpython/commit/09c00dbfc3b7cb563d02c3ea9240373e57716ca4
commit: 09c00dbfc3b7cb563d02c3ea9240373e57716ca4
branch: 3.13
author: Zachary Ware <[email protected]>
committer: zware <[email protected]>
date: 2026-06-09T17:39:56Z
summary:
[3.13] gh-151159: Update Windows builds to use OpenSSL 3.0.21 (GH-151191)
files:
A Misc/NEWS.d/next/Windows/2026-06-09-12-04-21.gh-issue-151159.O2NVrd.rst
D Misc/NEWS.d/next/Windows/2026-05-03-14-07-51.gh-issue-149254.ENtMYD.rst
M Misc/externals.spdx.json
M PCbuild/get_externals.bat
M PCbuild/python.props
diff --git
a/Misc/NEWS.d/next/Windows/2026-05-03-14-07-51.gh-issue-149254.ENtMYD.rst
b/Misc/NEWS.d/next/Windows/2026-05-03-14-07-51.gh-issue-149254.ENtMYD.rst
deleted file mode 100644
index 5b7f20dff7c6fcf..000000000000000
--- a/Misc/NEWS.d/next/Windows/2026-05-03-14-07-51.gh-issue-149254.ENtMYD.rst
+++ /dev/null
@@ -1 +0,0 @@
-Updated bundled version of OpenSSL to 3.0.20.
diff --git
a/Misc/NEWS.d/next/Windows/2026-06-09-12-04-21.gh-issue-151159.O2NVrd.rst
b/Misc/NEWS.d/next/Windows/2026-06-09-12-04-21.gh-issue-151159.O2NVrd.rst
new file mode 100644
index 000000000000000..81ba86fab4eed38
--- /dev/null
+++ b/Misc/NEWS.d/next/Windows/2026-06-09-12-04-21.gh-issue-151159.O2NVrd.rst
@@ -0,0 +1 @@
+Updated bundled version of OpenSSL to 3.0.21.
diff --git a/Misc/externals.spdx.json b/Misc/externals.spdx.json
index a3eae97b1bfe482..a3ab9416f20b17e 100644
--- a/Misc/externals.spdx.json
+++ b/Misc/externals.spdx.json
@@ -70,21 +70,21 @@
"checksums": [
{
"algorithm": "SHA256",
- "checksumValue":
"ebaaba68e727233bda99cbb4164bdfa0894f3a1cab90a2cbcaca9d3cadebe8cd"
+ "checksumValue":
"0349aef1ff9ded3eb23be12c2586e026be5cec3fd40df859e388671d7844fced"
}
],
- "downloadLocation":
"https://github.com/python/cpython-source-deps/archive/refs/tags/openssl-3.0.20.tar.gz";,
+ "downloadLocation":
"https://github.com/python/cpython-source-deps/archive/refs/tags/openssl-3.0.21.tar.gz";,
"externalRefs": [
{
"referenceCategory": "SECURITY",
- "referenceLocator": "cpe:2.3:a:openssl:openssl:3.0.20:*:*:*:*:*:*:*",
+ "referenceLocator": "cpe:2.3:a:openssl:openssl:3.0.21:*:*:*:*:*:*:*",
"referenceType": "cpe23Type"
}
],
"licenseConcluded": "NOASSERTION",
"name": "openssl",
"primaryPackagePurpose": "SOURCE",
- "versionInfo": "3.0.20"
+ "versionInfo": "3.0.21"
},
{
"SPDXID": "SPDXRef-PACKAGE-sqlite",
diff --git a/PCbuild/get_externals.bat b/PCbuild/get_externals.bat
index d043b167e6fd4f7..65f1e1b6c5912cd 100644
--- a/PCbuild/get_externals.bat
+++ b/PCbuild/get_externals.bat
@@ -53,7 +53,7 @@ echo.Fetching external libraries...
set libraries=
set libraries=%libraries% bzip2-1.0.8
if NOT "%IncludeLibffiSrc%"=="false" set libraries=%libraries% libffi-3.4.4
-if NOT "%IncludeSSLSrc%"=="false" set libraries=%libraries% openssl-3.0.20
+if NOT "%IncludeSSLSrc%"=="false" set libraries=%libraries% openssl-3.0.21
set libraries=%libraries% mpdecimal-4.0.0
set libraries=%libraries% sqlite-3.50.4.0
if NOT "%IncludeTkinterSrc%"=="false" set libraries=%libraries%
tcl-core-8.6.15.0
@@ -77,7 +77,7 @@ echo.Fetching external binaries...
set binaries=
if NOT "%IncludeLibffi%"=="false" set binaries=%binaries% libffi-3.4.4
-if NOT "%IncludeSSL%"=="false" set binaries=%binaries% openssl-bin-3.0.20
+if NOT "%IncludeSSL%"=="false" set binaries=%binaries% openssl-bin-3.0.21
if NOT "%IncludeTkinter%"=="false" set binaries=%binaries% tcltk-8.6.15.0
if NOT "%IncludeSSLSrc%"=="false" set binaries=%binaries% nasm-2.11.06
diff --git a/PCbuild/python.props b/PCbuild/python.props
index a63091b899c4096..64e4cd08db7f6d0 100644
--- a/PCbuild/python.props
+++ b/PCbuild/python.props
@@ -76,8 +76,8 @@
<libffiOutDir Condition="$(libffiOutDir) ==
''">$(libffiDir)$(ArchName)\</libffiOutDir>
<libffiIncludeDir Condition="$(libffiIncludeDir) ==
''">$(libffiOutDir)include</libffiIncludeDir>
<mpdecimalDir Condition="$(mpdecimalDir) ==
''">$(ExternalsDir)\mpdecimal-4.0.0\</mpdecimalDir>
- <opensslDir Condition="$(opensslDir) ==
''">$(ExternalsDir)openssl-3.0.20\</opensslDir>
- <opensslOutDir Condition="$(opensslOutDir) ==
''">$(ExternalsDir)openssl-bin-3.0.20\$(ArchName)\</opensslOutDir>
+ <opensslDir Condition="$(opensslDir) ==
''">$(ExternalsDir)openssl-3.0.21\</opensslDir>
+ <opensslOutDir Condition="$(opensslOutDir) ==
''">$(ExternalsDir)openssl-bin-3.0.21\$(ArchName)\</opensslOutDir>
<opensslIncludeDir Condition="$(opensslIncludeDir) ==
''">$(opensslOutDir)include</opensslIncludeDir>
<nasmDir Condition="$(nasmDir) ==
''">$(ExternalsDir)\nasm-2.11.06\</nasmDir>
<zlibDir Condition="$(zlibDir) == ''">$(ExternalsDir)\zlib-1.3.1\</zlibDir>
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