From f4e40ad03e4e17cf042ae6728d655e1dedd8af76 Mon Sep 17 00:00:00 2001
From: Alexei Podtelezhnikov <apodtele@gmail.com>
Date: Thu, 17 Sep 2026 15:27:52 -0400
Subject: [PATCH] * src/base/ftobjs.c (FT_Set_Matrix): Validate matrix.

This should fix #1465.
---
 src/base/ftobjs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/base/ftobjs.c b/src/base/ftobjs.c
index 1a7e501cd..3341f1304 100644
--- a/src/base/ftobjs.c
+++ b/src/base/ftobjs.c
@@ -792,7 +792,7 @@
 
     internal->transform_flags = 0;
 
-    if ( !matrix )
+    if ( !matrix || !FT_Matrix_Check( matrix ) )
     {
       internal->transform_matrix.xx = 0x10000L;
       internal->transform_matrix.xy = 0;