# HG changeset patch
# User Timo Sirainen <timo.sirainen@dovecot.fi>
# Date 1497699599 -10800
# Node ID f65e7542dd4ff1e9360b754cc6828e9e192ca05b
# Parent  df426d9ec0ae533361e4d2133e8c14aad397aa67
imap: NOTIFY - Fix potential crash when reading invalid parameters

diff -r df426d9ec0ae -r f65e7542dd4f src/imap/cmd-notify.c
--- a/src/imap/cmd-notify.c	Sat Jun 17 14:38:22 2017 +0300
+++ b/src/imap/cmd-notify.c	Sat Jun 17 14:39:59 2017 +0300
@@ -319,6 +319,8 @@
 
 		if (strcasecmp(filter_mailboxes, "subtree") == 0 ||
 		    strcasecmp(filter_mailboxes, "mailboxes") == 0) {
+			if (event_group->type == IMAP_ARG_EOL)
+				return -1;
 			mailboxes = event_group++;
 		} else {
 			mailboxes = NULL;