diff --git a/7.3.070 b/7.3.070
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+To: vim_dev@googlegroups.com
+Subject: Patch 7.3.070
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.3.070
+Problem:    Can set environment variables in the sandbox, could be abused.
+Solution:   Disallow it.
+Files:	    src/eval.c
+
+
+*** ../vim-7.3.069/src/eval.c	2010-11-10 20:31:24.000000000 +0100
+--- src/eval.c	2010-12-02 14:42:31.000000000 +0100
+***************
+*** 2326,2332 ****
+  	    else if (endchars != NULL
+  			     && vim_strchr(endchars, *skipwhite(arg)) == NULL)
+  		EMSG(_(e_letunexp));
+! 	    else
+  	    {
+  		c1 = name[len];
+  		name[len] = NUL;
+--- 2326,2332 ----
+  	    else if (endchars != NULL
+  			     && vim_strchr(endchars, *skipwhite(arg)) == NULL)
+  		EMSG(_(e_letunexp));
+! 	    else if (!check_secure())
+  	    {
+  		c1 = name[len];
+  		name[len] = NUL;
+*** ../vim-7.3.069/src/version.c	2010-11-24 18:48:08.000000000 +0100
+--- src/version.c	2010-12-02 14:46:44.000000000 +0100
+***************
+*** 716,717 ****
+--- 716,719 ----
+  {   /* Add new patch number below this line */
++ /**/
++     70,
+  /**/
+
+-- 
+The only way the average employee can speak to an executive is by taking a
+second job as a golf caddie.
+				(Scott Adams - The Dilbert principle)
+
+ /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
+///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\  an exciting new programming language -- http://www.Zimbu.org        ///
+ \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///