From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Tue, 31 Mar 2020 10:25:16 +0000 (+0100)
Subject: [Minor] Try to fix OOB reads
X-Git-Tag: 2.5~6
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=356d8cfe5fabfe8febf829b6a2640100c53b450c;p=rspamd.git

[Minor] Try to fix OOB reads
---

diff --git a/src/libmime/mime_headers.c b/src/libmime/mime_headers.c
index aed7575eb..582f11d7a 100644
--- a/src/libmime/mime_headers.c
+++ b/src/libmime/mime_headers.c
@@ -366,7 +366,7 @@ rspamd_mime_headers_process (struct rspamd_task *task,
 				}
 			}
 			/* Strip last space that can be added by \r\n parsing */
-			if (*(tp - 1) == ' ') {
+			if (tp > tmp && *(tp - 1) == ' ') {
 				tp--;
 			}