From 4e13b732453105104901c253b7989c16e812c112 Mon Sep 17 00:00:00 2001
From: Leah Neukirchen <leah@vuxu.org>
Date: Mon, 21 Aug 2017 19:13:14 +0200
Subject: mshow: render_mime: avoid indexing into empty buffer

Found using spam corpus at http://untroubled.org/spam/2017-08.7z
---
 mshow.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'mshow.c')

diff --git a/mshow.c b/mshow.c
index 66ccb97..c431108 100644
--- a/mshow.c
+++ b/mshow.c
@@ -270,7 +270,7 @@ nofilter:
 			    strcasecmp(charset, "utf8") == 0 ||
 			    strcasecmp(charset, "us-ascii") == 0) {
 				print_ascii(body, bodylen);
-				if (body[bodylen-1] != '\n')
+				if (bodylen > 0 && body[bodylen-1] != '\n')
 					putchar('\n');
 			} else {
 				print_u8recode(body, bodylen, charset);
-- 
cgit 1.4.1