From c8423fd6851f102b8c8e5daee1df8f906737face Mon Sep 17 00:00:00 2001
From: Richard Hughes <richard@hughsie.com>
Date: Sun, 21 Mar 2021 18:35:44 +0000
Subject: [PATCH] ihex: Do not allow zero-sized data sections

---
 libfwupdplugin/fu-ihex-firmware.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/libfwupdplugin/fu-ihex-firmware.c b/libfwupdplugin/fu-ihex-firmware.c
index 6f939e380..2f37d414a 100644
--- a/libfwupdplugin/fu-ihex-firmware.c
+++ b/libfwupdplugin/fu-ihex-firmware.c
@@ -237,6 +237,13 @@ fu_ihex_firmware_parse (FuFirmware *firmware,
 						     "cannot process data after EOF");
 				return FALSE;
 			}
+			if (rcd->data->len == 0) {
+				g_set_error_literal (error,
+						     FWUPD_ERROR,
+						     FWUPD_ERROR_INVALID_FILE,
+						     "cannot parse invalid data");
+				return FALSE;
+			}
 
 			/* base address for element */
 			if (img_addr == G_MAXUINT32)