From 3fa6e8b889cc255451ef147724b3a7efd97e7c4d Mon Sep 17 00:00:00 2001
From: jmestwa-coder <jmestwa@gmail.com>
Date: Tue, 7 Jul 2026 18:11:08 +0530
Subject: reject non-positive datablock count in aztec correctBits (#2114)

---
 core/src/main/java/com/google/zxing/aztec/decoder/Decoder.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'core/src/main/java')

diff --git a/core/src/main/java/com/google/zxing/aztec/decoder/Decoder.java b/core/src/main/java/com/google/zxing/aztec/decoder/Decoder.java
index e5de36ad1..1f8a6f9d4 100644
--- a/core/src/main/java/com/google/zxing/aztec/decoder/Decoder.java
+++ b/core/src/main/java/com/google/zxing/aztec/decoder/Decoder.java
@@ -302,7 +302,7 @@ public final class Decoder {
 
     int numDataCodewords = ddata.getNbDatablocks();
     int numCodewords = rawbits.length / codewordSize;
-    if (numCodewords < numDataCodewords) {
+    if (numDataCodewords < 1 || numCodewords < numDataCodewords) {
       throw FormatException.getFormatInstance();
     }
     int offset = rawbits.length % codewordSize;
-- 
cgit v1.2.3