1 files changed, 33 insertions, 0 deletions
diff --git a/graphics/libwmf/patches/patch-src_extra_gd_gdhelpers.c b/graphics/libwmf/patches/patch-src_extra_gd_gdhelpers.c
new file mode 100644
index 00000000000..c6d56834dc4
--- /dev/null
+++ b/graphics/libwmf/patches/patch-src_extra_gd_gdhelpers.c
@@ -0,0 +1,33 @@
+$NetBSD: patch-src_extra_gd_gdhelpers.c,v 1.1 2015/07/17 12:33:47 sevan Exp $
+
+CVE-2007-3472 - Integer overflow in gdImageCreateTrueColor function.
+
+--- src/extra/gd/gdhelpers.c.orig	2015-07-16 23:34:21.000000000 +0000
++++ src/extra/gd/gdhelpers.c
+@@ -2,6 +2,7 @@
+ #include "gdhelpers.h"
+ #include <stdlib.h>
+ #include <string.h>
++#include <limits.h>
+ 
+ /* TBB: gd_strtok_r is not portable; provide an implementation */
+ 
+@@ -94,3 +95,18 @@ gdFree (void *ptr)
+ {
+   free (ptr);
+ }
++
++int overflow2(int a, int b)
++{
++	if(a < 0 || b < 0) {
++		fprintf(stderr, "gd warning: one parameter to a memory allocation multiplication is negative, failing operation gracefully\n");
++		return 1;
++	}
++	if(b == 0)
++		return 0;
++	if(a > INT_MAX / b) {
++		fprintf(stderr, "gd warning: product of memory allocation multiplication would exceed INT_MAX, failing operation gracefully\n");
++		return 1;
++	}
++	return 0;
++}