From 858c99b4dfd995b7440a03c99f6a17bb8ca76ce5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luis=20D=C3=ADaz=20M=C3=A1s?= <piponazo@gmail.com>
Date: Fri, 30 Mar 2018 08:09:47 +0200
Subject: [PATCH] Add enforce before calling REPORT_MARKER with invalid marker

---
 src/jpgimage.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/jpgimage.cpp b/src/jpgimage.cpp
index cc111485..d6325aa6 100644
--- a/src/jpgimage.cpp
+++ b/src/jpgimage.cpp
@@ -30,6 +30,7 @@
 #include "image_int.hpp"
 #include "error.hpp"
 #include "futils.hpp"
+#include "enforce.hpp"
 
 #ifdef WIN32
 #include <windows.h>
@@ -795,6 +796,7 @@ namespace Exiv2 {
                 if (marker != sos_) {
                     // Read the beginning of the next segment
                     marker = advanceToMarker();
+                    enforce(marker>=0, kerNoImageInInputData);
                     REPORT_MARKER;
                 }
                 done |= marker == eoi_ || marker == sos_;