From 389da4e655c512756dddd2b9e2967565d380113d Mon Sep 17 00:00:00 2001
From: Christopher Vagnetoft <labs@noccy.com>
Date: Fri, 3 Apr 2026 01:42:41 +0200
Subject: [PATCH] Bugfix Json consumer logic

---
 src/Json/JsonProtocol.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Json/JsonProtocol.php b/src/Json/JsonProtocol.php
index fafa32b..b865ae9 100644
--- a/src/Json/JsonProtocol.php
+++ b/src/Json/JsonProtocol.php
@@ -91,6 +91,9 @@ class JsonProtocol implements ProtocolInterface
     {
         // check for $this->prependSizeBytes
         if ($this->prependSizeBytes > 0) {
+            if (strlen($data) < $this->prependSizeBytes) {
+                return null;
+            }
             $len = $this->unpackSizeBytes($data);
             // if size is greater than data (i.e. incomplete)
             if ($len > strlen($data) - $this->prependSizeBytes) return null;