From: Tom Kistner <tom@duncanthrax.net>
Date: Tue, 16 Aug 2005 12:32:32 +0000 (+0000)
Subject: Bugzilla 35: Fix buffer underrun when EOF condition occurs while reading a MIME header
X-Git-Tag: exim-4_53~51
X-Git-Url: https://git.exim.org/users/jgh/exim.git/commitdiff_plain/9f093f3a22512864682ac7d456aa7f3f294cfdbe?hp=7cd1141be4e551e80514c38662ec6e8209608205

Bugzilla 35: Fix buffer underrun when EOF condition occurs while reading a MIME header
---

diff --git a/src/src/mime.c b/src/src/mime.c
index 051c8e097..486fd3d1f 100644
--- a/src/src/mime.c
+++ b/src/src/mime.c
@@ -1,4 +1,4 @@
-/* $Cambridge: exim/src/src/mime.c,v 1.11 2005/08/02 09:42:24 tom Exp $ */
+/* $Cambridge: exim/src/src/mime.c,v 1.12 2005/08/16 12:32:32 tom Exp $ */
 
 /*************************************************
 *     Exim - an Internet mail transport agent    *
@@ -484,7 +484,7 @@ int mime_get_header(FILE *f, uschar *header) {
     };
   };
 
-  if (header[num_copied-1] != ';') {
+  if ((num_copied > 0) && (header[num_copied-1] != ';')) {
     header[num_copied-1] = ';';
   };