--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/curl/patches/020-CVE-2016-8622.patch	Tue Jan 10 17:35:21 2017 -0800
@@ -0,0 +1,120 @@
+From 71da91453899ba20b28ee9712620e323145a0ee5 Mon Sep 17 00:00:00 2001
+From: Daniel Stenberg <[email protected]>
+Date: Tue, 4 Oct 2016 18:56:45 +0200
+Subject: [PATCH] unescape: avoid integer overflow
+
+CVE-2016-8622
+
+Bug: https://curl.haxx.se/docs/adv_20161102H.html
+Reported-by: Cure53
+---
+ docs/libcurl/curl_easy_unescape.3 |  7 +++++--
+ lib/dict.c                        | 10 +++++-----
+ lib/escape.c                      | 10 ++++++++--
+ 3 files changed, 18 insertions(+), 9 deletions(-)
+
+--- docs/libcurl/curl_easy_unescape.3
++++ docs/libcurl/curl_easy_unescape.3
+@@ -3,11 +3,11 @@
+ .\" *  Project                     ___| | | |  _ \| |
+ .\" *                             / __| | | | |_) | |
+ .\" *                            | (__| |_| |  _ <| |___
+ .\" *                             \___|\___/|_| \_\_____|
+ .\" *
+-.\" * Copyright (C) 1998 - 2015, Daniel Stenberg, <[email protected]>, et al.
++.\" * Copyright (C) 1998 - 2016, Daniel Stenberg, <[email protected]>, et al.
+ .\" *
+ .\" * This software is licensed as described in the file COPYING, which
+ .\" * you should have received as part of this distribution. The terms
+ .\" * are also available at https://curl.haxx.se/docs/copyright.html.
+ .\" *
+@@ -38,11 +38,14 @@ their binary versions.
+ If the \fBlength\fP argument is set to 0 (zero), \fIcurl_easy_unescape(3)\fP
+ will use strlen() on the input \fIurl\fP string to find out the size.
+ 
+ If \fBoutlength\fP is non-NULL, the function will write the length of the
+ returned string in the integer it points to. This allows an escaped string
+-containing %00 to still get used properly after unescaping.
++containing %00 to still get used properly after unescaping. Since this is a
++pointer to an \fIint\fP type, it can only return a value up to INT_MAX so no
++longer string can be unescaped if the string length is returned in this
++parameter.
+ 
+ You must \fIcurl_free(3)\fP the returned string when you're done with it.
+ .SH AVAILABILITY
+ Added in 7.15.4 and replaces the old \fIcurl_unescape(3)\fP function.
+ .SH RETURN VALUE
+--- lib/dict.c
++++ lib/dict.c
+@@ -3,11 +3,11 @@
+  *  Project                     ___| | | |  _ \| |
+  *                             / __| | | | |_) | |
+  *                            | (__| |_| |  _ <| |___
+  *                             \___|\___/|_| \_\_____|
+  *
+- * Copyright (C) 1998 - 2015, Daniel Stenberg, <[email protected]>, et al.
++ * Copyright (C) 1998 - 2016, Daniel Stenberg, <[email protected]>, et al.
+  *
+  * This software is licensed as described in the file COPYING, which
+  * you should have received as part of this distribution. The terms
+  * are also available at https://curl.haxx.se/docs/copyright.html.
+  *
+@@ -50,11 +50,11 @@
+ 
+ #include "urldata.h"
+ #include <curl/curl.h>
+ #include "transfer.h"
+ #include "sendf.h"
+-
++#include "escape.h"
+ #include "progress.h"
+ #include "strequal.h"
+ #include "dict.h"
+ #include "rawstr.h"
+ #include "curl_memory.h"
+@@ -94,16 +94,16 @@ const struct Curl_handler Curl_handler_dict = {
+ static char *unescape_word(struct Curl_easy *data, const char *inputbuff)
+ {
+   char *newp;
+   char *dictp;
+   char *ptr;
+-  int len;
++  size_t len;
+   char ch;
+   int olen=0;
+ 
+-  newp = curl_easy_unescape(data, inputbuff, 0, &len);
+-  if(!newp)
++  CURLcode result = Curl_urldecode(data, inputbuff, 0, &newp, &len, FALSE);
++  if(!newp || result)
+     return NULL;
+ 
+   dictp = malloc(((size_t)len)*2 + 1); /* add one for terminating zero */
+   if(dictp) {
+     /* According to RFC2229 section 2.2, these letters need to be escaped with
+--- lib/escape.c
++++ lib/escape.c
+@@ -222,12 +222,18 @@ char *curl_easy_unescape(struct Curl_easy *data, const char *string,
+     size_t outputlen;
+     CURLcode res = Curl_urldecode(data, string, inputlen, &str, &outputlen,
+                                   FALSE);
+     if(res)
+       return NULL;
+-    if(olen)
+-      *olen = curlx_uztosi(outputlen);
++
++    if(olen) {
++      if(outputlen <= (size_t) INT_MAX)
++        *olen = curlx_uztosi(outputlen);
++      else
++        /* too large to return in an int, fail! */
++        Curl_safefree(str);
++    }
+   }
+   return str;
+ }
+ 
+ /* For operating systems/environments that use different malloc/free
+-- 
+2.9.3
+