gnu: Python 3.9: Fix CVE-2021-3177.

* gnu/packages/patches/python-3.9-CVE-2021-3177.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/python.scm (python-3.9)[source]: Use it.

1 files changed, 2 insertions, 1 deletions

diff --git a/gnu/packages/python.scm b/gnu/packages/python.scm
index 27e9b70432b..730c371fdac 100644
--- a/gnu/packages/python.scm
+++ b/gnu/packages/python.scm
@@ -11,7 +11,7 @@
 ;;; Copyright © 2015, 2016 Christopher Allan Webber <cwebber@dustycloud.org>
 ;;; Copyright © 2015 Eric Dvorsak <eric@dvorsak.fr>
 ;;; Copyright © 2015, 2016 David Thompson <davet@gnu.org>
-;;; Copyright © 2015, 2016, 2017 Leo Famulari <leo@famulari.name>
+;;; Copyright © 2015, 2016, 2017, 2021 Leo Famulari <leo@famulari.name>
 ;;; Copyright © 2015, 2017 Ben Woodcroft <donttrustben@gmail.com>
 ;;; Copyright © 2015, 2016 Erik Edrosa <erik.edrosa@gmail.com>
 ;;; Copyright © 2015, 2016, 2017, 2018, 2019, 2020 Efraim Flashner <efraim@flashner.co.il>
@@ -531,6 +531,7 @@ data types.")
                                   version "/Python-" version ".tar.xz"))
               (patches (search-patches
                         "python-3.9-fix-tests.patch"
+                        "python-3.9-CVE-2021-3177.patch"
                         "python-3-deterministic-build-info.patch"
                         "python-3-search-paths.patch"))
               (sha256