# HG changeset patch
# User Bram Moolenaar <bram@vim.org>
# Date 1438718571 -7200
# Node ID 1661dd8df5922d5e50a59de1fe95d96e2f9bfa0b
# Parent  bf56568ed667568b0a6f5798f22c4a917dd34cdc
patch 7.4.811
Problem:    Invalid memory access when using "exe 'sc'".
Solution:   Avoid going over the end of the string. (Dominique Pelle)

diff --git a/src/ex_docmd.c b/src/ex_docmd.c
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -3129,8 +3129,8 @@ find_command(eap, full)
 	++p;
     }
     else if (p[0] == 's'
-	    && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
-						&& p[3] != 'i' && p[4] != 'p')
+	    && ((p[1] == 'c' && (p[2] == NUL || (p[2] != 's' && p[2] != 'r'
+			&& (p[3] == NUL || (p[3] != 'i' && p[4] != 'p')))))
 		|| p[1] == 'g'
 		|| (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
 		|| p[1] == 'I'
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    811,
+/**/
     810,
 /**/
     809,