[Minor] Fix off-by-one read

diff --git a/src/libmime/mime_parser.c b/src/libmime/mime_parser.c
index 0b682879d170f07f0a95c92f24f5af2e2e368ca5..5d4ab9f7c3d3f5d00632ec7ed0c7e7561fa53a8a 100644 (file)
--- a/src/libmime/mime_parser.c
+++ b/src/libmime/mime_parser.c
@@ -1005,7 +1005,7 @@ rspamd_mime_preprocess_cb (struct rspamd_multipattern *mp,
                                        bend++;
 
                                        /* \r\n */
-                                       if (*bend == '\n') {
+                                       if (bend < end && *bend == '\n') {
                                                bend++;
                                        }
                                }