diff --git a/NEWS b/NEWS
index fb54e6dd3e6c..e63ecbc464bb 100644
--- a/NEWS
+++ b/NEWS
@@ -37,6 +37,10 @@ PHP                                                                        NEWS
   . Fixed bug GH-24350 (MINIT reads a stale external tz database after an
     in-process module restart). (Lazizbek Ergashev)
 
+- DBA:
+  . Fixed bug GH-24641 (ndbm handler does not check dbm_open() result).
+    (Lazizbek Ergashev)
+
 - DOM:
   . Fixed bug GH-23352 (UAF reading an attribute value node retained across
     DOMDocument::adoptNode()). (David Carlier)
diff --git a/ext/dba/dba_ndbm.c b/ext/dba/dba_ndbm.c
index 40ae304cb7d2..58e4893ec2d2 100644
--- a/ext/dba/dba_ndbm.c
+++ b/ext/dba/dba_ndbm.c
@@ -53,6 +53,9 @@ DBA_OPEN_FUNC(ndbm)
 	}
 
 	dbf = dbm_open(ZSTR_VAL(info->path), gmode, filemode);
+	if (dbf == NULL) {
+		return FAILURE;
+	}
 
 	pinfo->dbf = dbf;
 	return SUCCESS;
diff --git a/ext/dba/tests/gh24641.phpt b/ext/dba/tests/gh24641.phpt
new file mode 100644
index 000000000000..8047654fec92
--- /dev/null
+++ b/ext/dba/tests/gh24641.phpt
@@ -0,0 +1,22 @@
+--TEST--
+GH-24641 (ndbm handler does not check dbm_open() result)
+--EXTENSIONS--
+dba
+--SKIPIF--
+<?php
+require_once __DIR__ . '/setup/setup_dba_tests.inc';
+check_skip('ndbm');
+?>
+--FILE--
+<?php
+$file = __DIR__ . '/gh24641.db';
+file_put_contents($file, 'not a valid ndbm database');
+var_dump(dba_open($file, 'r', 'ndbm'));
+?>
+--CLEAN--
+<?php
+@unlink(__DIR__ . '/gh24641.db');
+?>
+--EXPECTF--
+Warning: dba_open(): Driver initialization failed for handler: ndbm in %s on line %d
+bool(false)