From 3072a1082750ce43474c97ae971b51f7922721a1 Mon Sep 17 00:00:00 2001
From: Cristy <urban-warrior@imagemagick.org>
Date: Sat, 3 Sep 2022 15:47:39 -0400
Subject: [PATCH] validate stroke width

---
 magick/draw.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/magick/draw.c b/magick/draw.c
index 0625fa0215..8fcefa5afc 100644
--- a/magick/draw.c
+++ b/magick/draw.c
@@ -3782,7 +3782,8 @@ static MagickBooleanType RenderMVGContent(Image *image,
             if (graphic_context[n]->clip_path != MagickFalse)
               break;
             graphic_context[n]->stroke_width=GetDrawValue(token,&next_token);
-            if (token == next_token)
+            if ((token == next_token) || 
+                (graphic_context[n]->stroke_width < 0.0))
               ThrowPointExpectedException(image,token);
             break;
           }