From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Mon, 12 Nov 2018 13:14:30 +0000 (+0000)
Subject: [Fix] Add sanity check when applying mime boundaries heuristic
X-Git-Tag: 1.8.2~47
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9826575c7a449c79d6cd99471c6d9cd74b4e91f9;p=thirdparty%2Frspamd.git

[Fix] Add sanity check when applying mime boundaries heuristic
---

diff --git a/src/libmime/mime_parser.c b/src/libmime/mime_parser.c
index 2972d3389d..37b312f443 100644
--- a/src/libmime/mime_parser.c
+++ b/src/libmime/mime_parser.c
@@ -1307,7 +1307,8 @@ rspamd_mime_parse_message (struct rspamd_task *task,
 
 				start = st->start + start_boundary->start;
 
-				if ((ret = rspamd_mime_process_multipart_node (task, st,
+				if (end > start &&
+					(ret = rspamd_mime_process_multipart_node (task, st,
 						NULL, start, end, err)) != RSPAMD_MIME_PARSE_OK) {
 					return ret;
 				}