diff --git a/src/cppbor_parse.cpp b/src/cppbor_parse.cpp
index 964a72d..23ebd6b 100644
--- a/src/cppbor_parse.cpp
+++ b/src/cppbor_parse.cpp
@@ -195,6 +195,13 @@
 
 std::tuple<const uint8_t*, ParseClient*> parseRecursively(const uint8_t* begin, const uint8_t* end,
                                                           bool emitViews, ParseClient* parseClient) {
+    if (begin == end) {
+        parseClient->error(
+                begin,
+                "Input buffer is empty.");
+        return {begin, nullptr};
+    }
+
     const uint8_t* pos = begin;
 
     MajorType type = static_cast<MajorType>(*pos & 0xE0);