From 6da86c7e934c9d6a030c379c0195bc7dc96feb76 Mon Sep 17 00:00:00 2001
From: Pierre Joye <pajoye@php.net>
Date: Wed, 9 Jul 2003 10:36:07 +0000
Subject: [PATCH] - Fix a possible crash when invalid color index are given as
 background   in imagerotate, only when palette based image is used as src

---
 ext/gd/libgd/gd.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ext/gd/libgd/gd.c b/ext/gd/libgd/gd.c
index 4aaf350c16..a2d13ec441 100644
--- a/ext/gd/libgd/gd.c
+++ b/ext/gd/libgd/gd.c
@@ -2761,6 +2761,10 @@ gdImagePtr gdImageRotate (gdImagePtr src, double dAngle, int clrBack)
 		return NULL;
 	}
 
+        if (!gdImageTrueColor(src) && clrBack>=gdImageColorsTotal(src)) {
+                return NULL;
+        }
+
 	clrBackR = gdImageRed(src, clrBack);
 	clrBackG = gdImageGreen(src, clrBack);
 	clrBackB = gdImageBlue(src, clrBack);
-- 
2.50.1