From 016d25e2bf13e43fc8b45088318459a234ef8c21 Mon Sep 17 00:00:00 2001
From: Mark Newnham <mark@newnhams.com>
Date: Fri, 20 Feb 2026 10:42:42 -0700
Subject: Validates method for out-of-bound indexes

---
 adodb.inc.php | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/adodb.inc.php b/adodb.inc.php
index 485ae4ea..5589835c 100644
--- a/adodb.inc.php
+++ b/adodb.inc.php
@@ -5559,13 +5559,21 @@ class ADORecordSet implements IteratorAggregate {
 		}
 
 		/**
-		 * @param int [$fieldOffset]
+		 * @param int $fieldOffset The required offset
 		 *
-		 * @return \ADOFieldObject
+		 * @return false|\ADOFieldObject
 		 */
 		function FetchField($fieldOffset = -1) {
 			if (isset($this->_fieldobjects)) {
-				return $this->_fieldobjects[$fieldOffset];
+				if (array_key_exists($fieldOffset, $this->_fieldobjects)) {
+					return $this->_fieldobjects[$fieldOffset];
+				} else {
+					return false;
+				}
+			}
+
+			if (!array_key_exists($fieldOffset, $this->_colnames)) {
+				return false;
 			}
 			$o =  new ADOFieldObject();
 			$o->name = $this->_colnames[$fieldOffset];
-- 
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