From: Sascha Schumann <sas@php.net>
Date: Thu, 3 Apr 2003 19:19:25 +0000 (+0000)
Subject: MFH
X-Git-Tag: php-4.3.2RC2~172
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f8b07fbbaca816c803b0b0d244b8a28c446292ce;p=php

MFH
---

diff --git a/ext/gd/gd.c b/ext/gd/gd.c
index 04ae131d2a..c11ce2979f 100644
--- a/ext/gd/gd.c
+++ b/ext/gd/gd.c
@@ -729,6 +729,12 @@ PHP_FUNCTION(imagecreatetruecolor)
 	convert_to_long_ex(x_size);
 	convert_to_long_ex(y_size);
 
+	if (Z_LVAL_PP(x_size) <= 0
+			|| Z_LVAL_PP(y_size) <= 0) {
+		php_error(E_WARNING, "invalid image dimensions");
+		RETURN_FALSE;
+	}
+	
 	im = gdImageCreateTrueColor(Z_LVAL_PP(x_size), Z_LVAL_PP(y_size));
 
 	ZEND_REGISTER_RESOURCE(return_value, im, le_gd);
@@ -1168,6 +1174,12 @@ PHP_FUNCTION(imagecreate)
 	convert_to_long_ex(x_size);
 	convert_to_long_ex(y_size);
 
+	if (Z_LVAL_PP(x_size) <= 0
+			|| Z_LVAL_PP(y_size) <= 0) {
+		php_error(E_WARNING, "invalid image dimensions");
+		RETURN_FALSE;
+	}
+
 	im = gdImageCreate(Z_LVAL_PP(x_size), Z_LVAL_PP(y_size));
 
 	ZEND_REGISTER_RESOURCE(return_value, im, le_gd);