From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Thu, 25 Mar 2021 10:23:37 +0000 (+0000)
Subject: [Minor] Fix oob read
X-Git-Tag: 3.0~554
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=70c783d20f97f3283154a339e6514e7f51d9a3b6;p=thirdparty%2Frspamd.git

[Minor] Fix oob read
---

diff --git a/src/libmime/message.c b/src/libmime/message.c
index 99b84e3858..8a9601fa77 100644
--- a/src/libmime/message.c
+++ b/src/libmime/message.c
@@ -467,7 +467,7 @@ rspamd_strip_newlines_parse (struct rspamd_task *task,
 				if (G_UNLIKELY (*c) == ' ') {
 					part->spaces ++;
 
-					if (*(c - 1) == ' ') {
+					if (c > begin && *(c - 1) == ' ') {
 						part->double_spaces ++;
 					}
 				}