diff --git a/umac/cmn_services/cmn_defs/inc/wlan_cmn_ieee80211.h b/umac/cmn_services/cmn_defs/inc/wlan_cmn_ieee80211.h
index 88b5129764ec..bd8814cda7ce 100644
--- a/umac/cmn_services/cmn_defs/inc/wlan_cmn_ieee80211.h
+++ b/umac/cmn_services/cmn_defs/inc/wlan_cmn_ieee80211.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2017-2020 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -215,6 +216,9 @@
 #define WLAN_BSS_MEMBERSHIP_SELECTOR_SAE_H2E      123
 #define WLAN_BSS_MEMBERSHIP_SELECTOR_HE_PHY       122
 
+#define WLAN_MIN_HECAP_IE_LEN  22
+#define WLAN_MAX_HECAP_IE_LEN  55
+
 #define WLAN_CHAN_IS_5GHZ(chanidx) \
 	((chanidx > 30) ? true : false)
 #define WLAN_CHAN_IS_2GHZ(chanidx) \
diff --git a/umac/scan/dispatcher/src/wlan_scan_utils_api.c b/umac/scan/dispatcher/src/wlan_scan_utils_api.c
index 6c11c2205115..b8b2f87c9ea2 100644
--- a/umac/scan/dispatcher/src/wlan_scan_utils_api.c
+++ b/umac/scan/dispatcher/src/wlan_scan_utils_api.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2017-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -754,6 +754,9 @@ util_scan_parse_extn_ie(struct scan_cache_entry *scan_params,
 		scan_params->ie_list.srp   = (uint8_t *)ie;
 		break;
 	case WLAN_EXTN_ELEMID_HECAP:
+		if ((extn_ie->ie_len < WLAN_MIN_HECAP_IE_LEN) ||
+		    (extn_ie->ie_len > WLAN_MAX_HECAP_IE_LEN))
+			return QDF_STATUS_E_INVAL;
 		scan_params->ie_list.hecap = (uint8_t *)ie;
 		break;
 	case WLAN_EXTN_ELEMID_HEOP:
@@ -2008,7 +2011,7 @@ util_scan_parse_beacon_frame(struct wlan_objmgr_pdev *pdev,
 		mbssid_ie = util_scan_find_ie(WLAN_ELEMID_MULTIPLE_BSSID,
 					      (uint8_t *)&bcn->ie, ie_len);
 		if (mbssid_ie) {
-			if (mbssid_ie[1] <= 0) {
+			if (mbssid_ie[1] < 4) {
 				scm_debug("MBSSID IE length is wrong %d",
 					  mbssid_ie[1]);
 				return status;