diff --git a/components/esp_http_client/lib/http_header.c b/components/esp_http_client/lib/http_header.c
index 265bbbe7aa..ecb32693bb 100644
--- a/components/esp_http_client/lib/http_header.c
+++ b/components/esp_http_client/lib/http_header.c
@@ -97,6 +97,7 @@ static esp_err_t http_header_new_item(http_header_handle_t header, const char *k
 _header_new_item_exit:
     free(item->key);
     free(item->value);
+    free(item);
     return ESP_ERR_NO_MEM;
 }
 
diff --git a/components/fatfs/src/ff.c b/components/fatfs/src/ff.c
index 5ebdf49191..b00eebeace 100644
--- a/components/fatfs/src/ff.c
+++ b/components/fatfs/src/ff.c
@@ -5555,7 +5555,12 @@ FRESULT f_mkfs (
 		sz_buf = len / ss;		/* Size of working buffer (sector) */
 		szb_buf = sz_buf * ss;	/* Size of working buffer (byte) */
 	}
-	if (!buf || sz_buf == 0) return FR_NOT_ENOUGH_CORE;
+	if (!buf || sz_buf == 0) {
+#if FF_USE_LFN == 3
+		ff_memfree(buf);
+#endif
+		return FR_NOT_ENOUGH_CORE;
+	}
 
 	/* Determine where the volume to be located (b_vol, sz_vol) */
 	if (FF_MULTI_PARTITION && part != 0) {
diff --git a/components/fatfs/src/vfs_fat.c b/components/fatfs/src/vfs_fat.c
index ea74c82ee6..c6096026c7 100644
--- a/components/fatfs/src/vfs_fat.c
+++ b/components/fatfs/src/vfs_fat.c
@@ -557,12 +557,12 @@ static int vfs_fat_link(void* ctx, const char* n1, const char* n2)
     }
 fail3:
     f_close(pf2);
-    free(pf2);
 fail2:
     f_close(pf1);
-    free(pf1);
 fail1:
     free(buf);
+    free(pf2);
+    free(pf1);
     if (res != FR_OK) {
         ESP_LOGD(TAG, "%s: fresult=%d", __func__, res);
         errno = fresult_to_errno(res);
diff --git a/components/tcp_transport/transport_ssl.c b/components/tcp_transport/transport_ssl.c
index 40549c46e8..2443f81304 100644
--- a/components/tcp_transport/transport_ssl.c
+++ b/components/tcp_transport/transport_ssl.c
@@ -239,7 +239,10 @@ esp_transport_handle_t esp_transport_ssl_init()
 {
     esp_transport_handle_t t = esp_transport_init();
     transport_ssl_t *ssl = calloc(1, sizeof(transport_ssl_t));
-    ESP_TRANSPORT_MEM_CHECK(TAG, ssl, return NULL);
+    ESP_TRANSPORT_MEM_CHECK(TAG, ssl, {
+	esp_transport_destroy(t);
+        return NULL;
+    });
     esp_transport_set_context_data(t, ssl);
     esp_transport_set_func(t, ssl_connect, ssl_read, ssl_write, ssl_close, ssl_poll_read, ssl_poll_write, ssl_destroy);
     esp_transport_set_async_connect_func(t, ssl_connect_async);
diff --git a/components/tcp_transport/transport_tcp.c b/components/tcp_transport/transport_tcp.c
index 3d5e7cb71b..74778bc2e8 100644
--- a/components/tcp_transport/transport_tcp.c
+++ b/components/tcp_transport/transport_tcp.c
@@ -226,7 +226,10 @@ esp_transport_handle_t esp_transport_tcp_init()
 {
     esp_transport_handle_t t = esp_transport_init();
     transport_tcp_t *tcp = calloc(1, sizeof(transport_tcp_t));
-    ESP_TRANSPORT_MEM_CHECK(TAG, tcp, return NULL);
+    ESP_TRANSPORT_MEM_CHECK(TAG, tcp, {
+	esp_transport_destroy(t);
+	return NULL;
+    });
     tcp->sock = -1;
     esp_transport_set_func(t, tcp_connect, tcp_read, tcp_write, tcp_close, tcp_poll_read, tcp_poll_write, tcp_destroy);
     esp_transport_set_context_data(t, tcp);
diff --git a/components/tcp_transport/transport_ws.c b/components/tcp_transport/transport_ws.c
index 65f4a3e645..0be4894fc3 100644
--- a/components/tcp_transport/transport_ws.c
+++ b/components/tcp_transport/transport_ws.c
@@ -446,12 +446,14 @@ esp_transport_handle_t esp_transport_ws_init(esp_transport_handle_t parent_handl
     ws->path = strdup("/");
     ESP_TRANSPORT_MEM_CHECK(TAG, ws->path, {
         free(ws);
+	esp_transport_destroy(t);
         return NULL;
     });
     ws->buffer = malloc(DEFAULT_WS_BUFFER);
     ESP_TRANSPORT_MEM_CHECK(TAG, ws->buffer, {
         free(ws->path);
         free(ws);
+	esp_transport_destroy(t);
         return NULL;
     });
 
@@ -533,4 +535,4 @@ int esp_transport_ws_get_read_payload_len(esp_transport_handle_t t)
 {
     transport_ws_t *ws = esp_transport_get_context_data(t);
     return ws->frame_state.payload_len;
-}
\ No newline at end of file
+}
diff --git a/components/wifi_provisioning/src/wifi_config.c b/components/wifi_provisioning/src/wifi_config.c
index 93e3e85643..165c3f05df 100644
--- a/components/wifi_provisioning/src/wifi_config.c
+++ b/components/wifi_provisioning/src/wifi_config.c
@@ -83,6 +83,7 @@ static esp_err_t cmd_get_status_handler(WiFiConfigPayload *req,
                                             malloc(sizeof(WifiConnectedState)));
             if (!connected) {
                 ESP_LOGE(TAG, "Error allocating memory");
+                free(resp_payload);
                 return ESP_ERR_NO_MEM;
             }
             resp_payload->connected  = connected;