diff --git a/src/common/ieee802_11_common.c b/src/common/ieee802_11_common.c
index aca0b73..c741e13 100644
--- a/src/common/ieee802_11_common.c
+++ b/src/common/ieee802_11_common.c
@@ -196,6 +196,12 @@
 
 		switch (id) {
 		case WLAN_EID_SSID:
+			if (elen > SSID_MAX_LEN) {
+				wpa_printf(MSG_DEBUG,
+					   "Ignored too long SSID element (elen=%u)",
+					   elen);
+				break;
+			}
 			elems->ssid = pos;
 			elems->ssid_len = elen;
 			break;
diff --git a/src/common/ieee802_11_defs.h b/src/common/ieee802_11_defs.h
index 6e9c43c..62009f5 100644
--- a/src/common/ieee802_11_defs.h
+++ b/src/common/ieee802_11_defs.h
@@ -1354,4 +1354,6 @@
 	u8 variable[0];
 } STRUCT_PACKED;
 
+#define SSID_MAX_LEN 32
+
 #endif /* IEEE802_11_DEFS_H */