From 25d84d64122c15050a0ee739e859f22ddab5ac48 Mon Sep 17 00:00:00 2001
From: Florian Apolloner <florian@apolloner.eu>
Date: Wed, 14 Apr 2021 18:23:44 +0200
Subject: [3.1.x] Fixed CVE-2021-31542 -- Tightened path & file name sanitation
 in file uploads.

---
 docs/releases/2.2.21.txt | 17 +++++++++++++++++
 docs/releases/3.1.9.txt  | 17 +++++++++++++++++
 docs/releases/index.txt  |  2 ++
 3 files changed, 36 insertions(+)
 create mode 100644 docs/releases/2.2.21.txt
 create mode 100644 docs/releases/3.1.9.txt

(limited to 'docs')

diff --git a/docs/releases/2.2.21.txt b/docs/releases/2.2.21.txt
new file mode 100644
index 0000000000..f32aeadff7
--- /dev/null
+++ b/docs/releases/2.2.21.txt
@@ -0,0 +1,17 @@
+===========================
+Django 2.2.21 release notes
+===========================
+
+*May 4, 2021*
+
+Django 2.2.21 fixes a security issue in 2.2.20.
+
+CVE-2021-31542: Potential directory-traversal via uploaded files
+================================================================
+
+``MultiPartParser``, ``UploadedFile``, and ``FieldFile`` allowed
+directory-traversal via uploaded files with suitably crafted file names.
+
+In order to mitigate this risk, stricter basename and path sanitation is now
+applied. Specifically, empty file names and paths with dot segments will be
+rejected.
diff --git a/docs/releases/3.1.9.txt b/docs/releases/3.1.9.txt
new file mode 100644
index 0000000000..682270b901
--- /dev/null
+++ b/docs/releases/3.1.9.txt
@@ -0,0 +1,17 @@
+==========================
+Django 3.1.9 release notes
+==========================
+
+*May 4, 2021*
+
+Django 3.1.9 fixes a security issue in 3.1.8.
+
+CVE-2021-31542: Potential directory-traversal via uploaded files
+================================================================
+
+``MultiPartParser``, ``UploadedFile``, and ``FieldFile`` allowed
+directory-traversal via uploaded files with suitably crafted file names.
+
+In order to mitigate this risk, stricter basename and path sanitation is now
+applied. Specifically, empty file names and paths with dot segments will be
+rejected.
diff --git a/docs/releases/index.txt b/docs/releases/index.txt
index 6985fb1fbb..d8ae9d275c 100644
--- a/docs/releases/index.txt
+++ b/docs/releases/index.txt
@@ -25,6 +25,7 @@ versions of the documentation contain the release notes for any later releases.
 .. toctree::
    :maxdepth: 1
 
+   3.1.9
    3.1.8
    3.1.7
    3.1.6
@@ -61,6 +62,7 @@ versions of the documentation contain the release notes for any later releases.
 .. toctree::
    :maxdepth: 1
 
+   2.2.21
    2.2.20
    2.2.19
    2.2.18
-- 
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